Home / 10,525.86-15,785.55-5,331.06

Finding the Fourth Proportional to 10,525.86, 15,785.55 and 5,331.06

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Solution

The fourth proportional to 10,525.86, 15,785.55 and 5,331.06 is: 7,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.86 : 15,785.55 = 5,331.06 : x
  2. Step 2: Convert to fraction form
    10,525.86/15,785.55 = 5,331.06/x
  3. Step 3: Cross multiply
    10,525.86x = 15,785.55 × 5,331.06
  4. Step 4: Simplify right side
    10,525.86x = 84,153,714.18
  5. Step 5: Solve for x
    x = 84,153,714.18/10,525.86
  6. Step 6: Final answer
    x = 7,994.95

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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.