Home / 15,877.65-23,816.52-5,355.06

Finding the Fourth Proportional to 15,877.65, 23,816.52 and 5,355.06

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Solution

The fourth proportional to 15,877.65, 23,816.52 and 5,355.06 is: 8,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.65 : 23,816.52 = 5,355.06 : x
  2. Step 2: Convert to fraction form
    15,877.65/23,816.52 = 5,355.06/x
  3. Step 3: Cross multiply
    15,877.65x = 23,816.52 × 5,355.06
  4. Step 4: Simplify right side
    15,877.65x = 127,538,890.82
  5. Step 5: Solve for x
    x = 127,538,890.82/15,877.65
  6. Step 6: Final answer
    x = 8,032.61

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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.