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Finding the Fourth Proportional to 10,061.66, 13,894.54 and 6,482.90

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Solution

The fourth proportional to 10,061.66, 13,894.54 and 6,482.90 is: 8,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.66 : 13,894.54 = 6,482.90 : x
  2. Step 2: Convert to fraction form
    10,061.66/13,894.54 = 6,482.90/x
  3. Step 3: Cross multiply
    10,061.66x = 13,894.54 × 6,482.90
  4. Step 4: Simplify right side
    10,061.66x = 90,076,827.69
  5. Step 5: Solve for x
    x = 90,076,827.69/10,061.66
  6. Step 6: Final answer
    x = 8,952.49

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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.