Home / 9,139.04-13,707.52-2,565.48

Finding the Fourth Proportional to 9,139.04, 13,707.52 and 2,565.48

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Solution

The fourth proportional to 9,139.04, 13,707.52 and 2,565.48 is: 3,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.04 : 13,707.52 = 2,565.48 : x
  2. Step 2: Convert to fraction form
    9,139.04/13,707.52 = 2,565.48/x
  3. Step 3: Cross multiply
    9,139.04x = 13,707.52 × 2,565.48
  4. Step 4: Simplify right side
    9,139.04x = 35,166,368.41
  5. Step 5: Solve for x
    x = 35,166,368.41/9,139.04
  6. Step 6: Final answer
    x = 3,847.93

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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.