Home / 10,582.04-15,872.96-6,423.20

Finding the Fourth Proportional to 10,582.04, 15,872.96 and 6,423.20

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Solution

The fourth proportional to 10,582.04, 15,872.96 and 6,423.20 is: 9,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582.04 : 15,872.96 = 6,423.20 : x
  2. Step 2: Convert to fraction form
    10,582.04/15,872.96 = 6,423.20/x
  3. Step 3: Cross multiply
    10,582.04x = 15,872.96 × 6,423.20
  4. Step 4: Simplify right side
    10,582.04x = 101,955,192.89
  5. Step 5: Solve for x
    x = 101,955,192.89/10,582.04
  6. Step 6: Final answer
    x = 9,634.74

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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.