Home / 15,574.47-21,495.56-9,287.25

Finding the Fourth Proportional to 15,574.47, 21,495.56 and 9,287.25

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Solution

The fourth proportional to 15,574.47, 21,495.56 and 9,287.25 is: 12,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.47 : 21,495.56 = 9,287.25 : x
  2. Step 2: Convert to fraction form
    15,574.47/21,495.56 = 9,287.25/x
  3. Step 3: Cross multiply
    15,574.47x = 21,495.56 × 9,287.25
  4. Step 4: Simplify right side
    15,574.47x = 199,634,593.17
  5. Step 5: Solve for x
    x = 199,634,593.17/15,574.47
  6. Step 6: Final answer
    x = 12,818.07

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.