Home / 11,209.02-15,470.29-8,551.41

Finding the Fourth Proportional to 11,209.02, 15,470.29 and 8,551.41

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Solution

The fourth proportional to 11,209.02, 15,470.29 and 8,551.41 is: 11,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.02 : 15,470.29 = 8,551.41 : x
  2. Step 2: Convert to fraction form
    11,209.02/15,470.29 = 8,551.41/x
  3. Step 3: Cross multiply
    11,209.02x = 15,470.29 × 8,551.41
  4. Step 4: Simplify right side
    11,209.02x = 132,292,715.26
  5. Step 5: Solve for x
    x = 132,292,715.26/11,209.02
  6. Step 6: Final answer
    x = 11,802.35

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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.