Home / 15,244.07-21,034.28-8,957.66

Finding the Fourth Proportional to 15,244.07, 21,034.28 and 8,957.66

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Solution

The fourth proportional to 15,244.07, 21,034.28 and 8,957.66 is: 12,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.07 : 21,034.28 = 8,957.66 : x
  2. Step 2: Convert to fraction form
    15,244.07/21,034.28 = 8,957.66/x
  3. Step 3: Cross multiply
    15,244.07x = 21,034.28 × 8,957.66
  4. Step 4: Simplify right side
    15,244.07x = 188,417,845.81
  5. Step 5: Solve for x
    x = 188,417,845.81/15,244.07
  6. Step 6: Final answer
    x = 12,360.08

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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.