Home / 15,564.66-21,479.23-9,277.03

Finding the Fourth Proportional to 15,564.66, 21,479.23 and 9,277.03

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Solution

The fourth proportional to 15,564.66, 21,479.23 and 9,277.03 is: 12,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,564.66 : 21,479.23 = 9,277.03 : x
  2. Step 2: Convert to fraction form
    15,564.66/21,479.23 = 9,277.03/x
  3. Step 3: Cross multiply
    15,564.66x = 21,479.23 × 9,277.03
  4. Step 4: Simplify right side
    15,564.66x = 199,263,447.35
  5. Step 5: Solve for x
    x = 199,263,447.35/15,564.66
  6. Step 6: Final answer
    x = 12,802.30

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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.