Home / 9,712.60-13,399.50-7,054.18

Finding the Fourth Proportional to 9,712.60, 13,399.50 and 7,054.18

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Solution

The fourth proportional to 9,712.60, 13,399.50 and 7,054.18 is: 9,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.60 : 13,399.50 = 7,054.18 : x
  2. Step 2: Convert to fraction form
    9,712.60/13,399.50 = 7,054.18/x
  3. Step 3: Cross multiply
    9,712.60x = 13,399.50 × 7,054.18
  4. Step 4: Simplify right side
    9,712.60x = 94,522,484.91
  5. Step 5: Solve for x
    x = 94,522,484.91/9,712.60
  6. Step 6: Final answer
    x = 9,731.94

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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.