Home / 15,114.71-22,573.19-12,869.60

Finding the Fourth Proportional to 15,114.71, 22,573.19 and 12,869.60

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Solution

The fourth proportional to 15,114.71, 22,573.19 and 12,869.60 is: 19,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.71 : 22,573.19 = 12,869.60 : x
  2. Step 2: Convert to fraction form
    15,114.71/22,573.19 = 12,869.60/x
  3. Step 3: Cross multiply
    15,114.71x = 22,573.19 × 12,869.60
  4. Step 4: Simplify right side
    15,114.71x = 290,507,772.94
  5. Step 5: Solve for x
    x = 290,507,772.94/15,114.71
  6. Step 6: Final answer
    x = 19,220.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.