Home / 9,312.48-13,974.80-8,561.61

Finding the Fourth Proportional to 9,312.48, 13,974.80 and 8,561.61

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Solution

The fourth proportional to 9,312.48, 13,974.80 and 8,561.61 is: 12,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.48 : 13,974.80 = 8,561.61 : x
  2. Step 2: Convert to fraction form
    9,312.48/13,974.80 = 8,561.61/x
  3. Step 3: Cross multiply
    9,312.48x = 13,974.80 × 8,561.61
  4. Step 4: Simplify right side
    9,312.48x = 119,646,744.62
  5. Step 5: Solve for x
    x = 119,646,744.62/9,312.48
  6. Step 6: Final answer
    x = 12,848.00

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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.