Home / 10,612.38-14,646.70-6,423.06

Finding the Fourth Proportional to 10,612.38, 14,646.70 and 6,423.06

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Solution

The fourth proportional to 10,612.38, 14,646.70 and 6,423.06 is: 8,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.38 : 14,646.70 = 6,423.06 : x
  2. Step 2: Convert to fraction form
    10,612.38/14,646.70 = 6,423.06/x
  3. Step 3: Cross multiply
    10,612.38x = 14,646.70 × 6,423.06
  4. Step 4: Simplify right side
    10,612.38x = 94,076,632.90
  5. Step 5: Solve for x
    x = 94,076,632.90/10,612.38
  6. Step 6: Final answer
    x = 8,864.80

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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.