Home / 11,288.24-15,565.60-7,703.60

Finding the Fourth Proportional to 11,288.24, 15,565.60 and 7,703.60

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Solution

The fourth proportional to 11,288.24, 15,565.60 and 7,703.60 is: 10,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.24 : 15,565.60 = 7,703.60 : x
  2. Step 2: Convert to fraction form
    11,288.24/15,565.60 = 7,703.60/x
  3. Step 3: Cross multiply
    11,288.24x = 15,565.60 × 7,703.60
  4. Step 4: Simplify right side
    11,288.24x = 119,911,156.16
  5. Step 5: Solve for x
    x = 119,911,156.16/11,288.24
  6. Step 6: Final answer
    x = 10,622.66

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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.