Home / 13,156.91-19,700.93-10,512.26

Finding the Fourth Proportional to 13,156.91, 19,700.93 and 10,512.26

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Solution

The fourth proportional to 13,156.91, 19,700.93 and 10,512.26 is: 15,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.91 : 19,700.93 = 10,512.26 : x
  2. Step 2: Convert to fraction form
    13,156.91/19,700.93 = 10,512.26/x
  3. Step 3: Cross multiply
    13,156.91x = 19,700.93 × 10,512.26
  4. Step 4: Simplify right side
    13,156.91x = 207,101,226.18
  5. Step 5: Solve for x
    x = 207,101,226.18/13,156.91
  6. Step 6: Final answer
    x = 15,740.88

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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.