Home / 10,680.47-14,744.81-6,432.56

Finding the Fourth Proportional to 10,680.47, 14,744.81 and 6,432.56

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Solution

The fourth proportional to 10,680.47, 14,744.81 and 6,432.56 is: 8,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.47 : 14,744.81 = 6,432.56 : x
  2. Step 2: Convert to fraction form
    10,680.47/14,744.81 = 6,432.56/x
  3. Step 3: Cross multiply
    10,680.47x = 14,744.81 × 6,432.56
  4. Step 4: Simplify right side
    10,680.47x = 94,846,769.13
  5. Step 5: Solve for x
    x = 94,846,769.13/10,680.47
  6. Step 6: Final answer
    x = 8,880.40

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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.