Home / 11,280.56-15,565.80-6,244.40

Finding the Fourth Proportional to 11,280.56, 15,565.80 and 6,244.40

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Solution

The fourth proportional to 11,280.56, 15,565.80 and 6,244.40 is: 8,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.56 : 15,565.80 = 6,244.40 : x
  2. Step 2: Convert to fraction form
    11,280.56/15,565.80 = 6,244.40/x
  3. Step 3: Cross multiply
    11,280.56x = 15,565.80 × 6,244.40
  4. Step 4: Simplify right side
    11,280.56x = 97,199,081.52
  5. Step 5: Solve for x
    x = 97,199,081.52/11,280.56
  6. Step 6: Final answer
    x = 8,616.51

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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.