Home / 15,807.31-23,710.80-6,445.12

Finding the Fourth Proportional to 15,807.31, 23,710.80 and 6,445.12

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Solution

The fourth proportional to 15,807.31, 23,710.80 and 6,445.12 is: 9,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.31 : 23,710.80 = 6,445.12 : x
  2. Step 2: Convert to fraction form
    15,807.31/23,710.80 = 6,445.12/x
  3. Step 3: Cross multiply
    15,807.31x = 23,710.80 × 6,445.12
  4. Step 4: Simplify right side
    15,807.31x = 152,818,951.30
  5. Step 5: Solve for x
    x = 152,818,951.30/15,807.31
  6. Step 6: Final answer
    x = 9,667.61

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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.