Home / 10,478.77-14,462.45-6,287.83

Finding the Fourth Proportional to 10,478.77, 14,462.45 and 6,287.83

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Solution

The fourth proportional to 10,478.77, 14,462.45 and 6,287.83 is: 8,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.77 : 14,462.45 = 6,287.83 : x
  2. Step 2: Convert to fraction form
    10,478.77/14,462.45 = 6,287.83/x
  3. Step 3: Cross multiply
    10,478.77x = 14,462.45 × 6,287.83
  4. Step 4: Simplify right side
    10,478.77x = 90,937,382.97
  5. Step 5: Solve for x
    x = 90,937,382.97/10,478.77
  6. Step 6: Final answer
    x = 8,678.25

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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.