Home / 10,259.17-15,362.12-8,787.83

Finding the Fourth Proportional to 10,259.17, 15,362.12 and 8,787.83

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Solution

The fourth proportional to 10,259.17, 15,362.12 and 8,787.83 is: 13,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.17 : 15,362.12 = 8,787.83 : x
  2. Step 2: Convert to fraction form
    10,259.17/15,362.12 = 8,787.83/x
  3. Step 3: Cross multiply
    10,259.17x = 15,362.12 × 8,787.83
  4. Step 4: Simplify right side
    10,259.17x = 134,999,644.16
  5. Step 5: Solve for x
    x = 134,999,644.16/10,259.17
  6. Step 6: Final answer
    x = 13,158.93

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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.