Home / 15,502.70-23,254.05-13,688.30

Finding the Fourth Proportional to 15,502.70, 23,254.05 and 13,688.30

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Solution

The fourth proportional to 15,502.70, 23,254.05 and 13,688.30 is: 20,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.70 : 23,254.05 = 13,688.30 : x
  2. Step 2: Convert to fraction form
    15,502.70/23,254.05 = 13,688.30/x
  3. Step 3: Cross multiply
    15,502.70x = 23,254.05 × 13,688.30
  4. Step 4: Simplify right side
    15,502.70x = 318,308,412.62
  5. Step 5: Solve for x
    x = 318,308,412.62/15,502.70
  6. Step 6: Final answer
    x = 20,532.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.