Home / 10,009.49-15,015.95-4,462.71

Finding the Fourth Proportional to 10,009.49, 15,015.95 and 4,462.71

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Solution

The fourth proportional to 10,009.49, 15,015.95 and 4,462.71 is: 6,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.49 : 15,015.95 = 4,462.71 : x
  2. Step 2: Convert to fraction form
    10,009.49/15,015.95 = 4,462.71/x
  3. Step 3: Cross multiply
    10,009.49x = 15,015.95 × 4,462.71
  4. Step 4: Simplify right side
    10,009.49x = 67,011,807.91
  5. Step 5: Solve for x
    x = 67,011,807.91/10,009.49
  6. Step 6: Final answer
    x = 6,694.83

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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.