Home / 15,462.70-23,154.79-12,957.30

Finding the Fourth Proportional to 15,462.70, 23,154.79 and 12,957.30

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Solution

The fourth proportional to 15,462.70, 23,154.79 and 12,957.30 is: 19,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.70 : 23,154.79 = 12,957.30 : x
  2. Step 2: Convert to fraction form
    15,462.70/23,154.79 = 12,957.30/x
  3. Step 3: Cross multiply
    15,462.70x = 23,154.79 × 12,957.30
  4. Step 4: Simplify right side
    15,462.70x = 300,023,502.58
  5. Step 5: Solve for x
    x = 300,023,502.58/15,462.70
  6. Step 6: Final answer
    x = 19,403.05

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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.