Home / 10,497.80-14,486.85-5,781.98

Finding the Fourth Proportional to 10,497.80, 14,486.85 and 5,781.98

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Solution

The fourth proportional to 10,497.80, 14,486.85 and 5,781.98 is: 7,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.80 : 14,486.85 = 5,781.98 : x
  2. Step 2: Convert to fraction form
    10,497.80/14,486.85 = 5,781.98/x
  3. Step 3: Cross multiply
    10,497.80x = 14,486.85 × 5,781.98
  4. Step 4: Simplify right side
    10,497.80x = 83,762,713.18
  5. Step 5: Solve for x
    x = 83,762,713.18/10,497.80
  6. Step 6: Final answer
    x = 7,979.07

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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.