Home / 15,463.80-21,345.18-11,000.50

Finding the Fourth Proportional to 15,463.80, 21,345.18 and 11,000.50

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Solution

The fourth proportional to 15,463.80, 21,345.18 and 11,000.50 is: 15,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,463.80 : 21,345.18 = 11,000.50 : x
  2. Step 2: Convert to fraction form
    15,463.80/21,345.18 = 11,000.50/x
  3. Step 3: Cross multiply
    15,463.80x = 21,345.18 × 11,000.50
  4. Step 4: Simplify right side
    15,463.80x = 234,807,652.59
  5. Step 5: Solve for x
    x = 234,807,652.59/15,463.80
  6. Step 6: Final answer
    x = 15,184.34

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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.