Home / 11,346.91-15,666.35-10,148.17

Finding the Fourth Proportional to 11,346.91, 15,666.35 and 10,148.17

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Solution

The fourth proportional to 11,346.91, 15,666.35 and 10,148.17 is: 14,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.91 : 15,666.35 = 10,148.17 : x
  2. Step 2: Convert to fraction form
    11,346.91/15,666.35 = 10,148.17/x
  3. Step 3: Cross multiply
    11,346.91x = 15,666.35 × 10,148.17
  4. Step 4: Simplify right side
    11,346.91x = 158,984,732.34
  5. Step 5: Solve for x
    x = 158,984,732.34/11,346.91
  6. Step 6: Final answer
    x = 14,011.28

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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.