Home / 15,836.77-21,847.89-9,545.50

Finding the Fourth Proportional to 15,836.77, 21,847.89 and 9,545.50

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Solution

The fourth proportional to 15,836.77, 21,847.89 and 9,545.50 is: 13,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.77 : 21,847.89 = 9,545.50 : x
  2. Step 2: Convert to fraction form
    15,836.77/21,847.89 = 9,545.50/x
  3. Step 3: Cross multiply
    15,836.77x = 21,847.89 × 9,545.50
  4. Step 4: Simplify right side
    15,836.77x = 208,549,034.00
  5. Step 5: Solve for x
    x = 208,549,034.00/15,836.77
  6. Step 6: Final answer
    x = 13,168.66

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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.