Home / 15,429.48-23,012.58-15,162.90

Finding the Fourth Proportional to 15,429.48, 23,012.58 and 15,162.90

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Solution

The fourth proportional to 15,429.48, 23,012.58 and 15,162.90 is: 22,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.48 : 23,012.58 = 15,162.90 : x
  2. Step 2: Convert to fraction form
    15,429.48/23,012.58 = 15,162.90/x
  3. Step 3: Cross multiply
    15,429.48x = 23,012.58 × 15,162.90
  4. Step 4: Simplify right side
    15,429.48x = 348,937,449.28
  5. Step 5: Solve for x
    x = 348,937,449.28/15,429.48
  6. Step 6: Final answer
    x = 22,614.98

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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.