Home / 11,330.86-15,581.13-9,836.16

Finding the Fourth Proportional to 11,330.86, 15,581.13 and 9,836.16

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Solution

The fourth proportional to 11,330.86, 15,581.13 and 9,836.16 is: 13,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.86 : 15,581.13 = 9,836.16 : x
  2. Step 2: Convert to fraction form
    11,330.86/15,581.13 = 9,836.16/x
  3. Step 3: Cross multiply
    11,330.86x = 15,581.13 × 9,836.16
  4. Step 4: Simplify right side
    11,330.86x = 153,258,526.61
  5. Step 5: Solve for x
    x = 153,258,526.61/11,330.86
  6. Step 6: Final answer
    x = 13,525.76

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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.