Home / 11,312.48-15,610.80-6,344.16

Finding the Fourth Proportional to 11,312.48, 15,610.80 and 6,344.16

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Solution

The fourth proportional to 11,312.48, 15,610.80 and 6,344.16 is: 8,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.48 : 15,610.80 = 6,344.16 : x
  2. Step 2: Convert to fraction form
    11,312.48/15,610.80 = 6,344.16/x
  3. Step 3: Cross multiply
    11,312.48x = 15,610.80 × 6,344.16
  4. Step 4: Simplify right side
    11,312.48x = 99,037,412.93
  5. Step 5: Solve for x
    x = 99,037,412.93/11,312.48
  6. Step 6: Final answer
    x = 8,754.70

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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.