Home / 10,719.92-15,984.82-10,004.96

Finding the Fourth Proportional to 10,719.92, 15,984.82 and 10,004.96

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Solution

The fourth proportional to 10,719.92, 15,984.82 and 10,004.96 is: 14,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.92 : 15,984.82 = 10,004.96 : x
  2. Step 2: Convert to fraction form
    10,719.92/15,984.82 = 10,004.96/x
  3. Step 3: Cross multiply
    10,719.92x = 15,984.82 × 10,004.96
  4. Step 4: Simplify right side
    10,719.92x = 159,927,484.71
  5. Step 5: Solve for x
    x = 159,927,484.71/10,719.92
  6. Step 6: Final answer
    x = 14,918.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.