Home / 14,718.40-22,045.20-8,864.80

Finding the Fourth Proportional to 14,718.40, 22,045.20 and 8,864.80

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Solution

The fourth proportional to 14,718.40, 22,045.20 and 8,864.80 is: 13,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.40 : 22,045.20 = 8,864.80 : x
  2. Step 2: Convert to fraction form
    14,718.40/22,045.20 = 8,864.80/x
  3. Step 3: Cross multiply
    14,718.40x = 22,045.20 × 8,864.80
  4. Step 4: Simplify right side
    14,718.40x = 195,426,288.96
  5. Step 5: Solve for x
    x = 195,426,288.96/14,718.40
  6. Step 6: Final answer
    x = 13,277.69

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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.