Home / 10,130.60-13,964.91-7,888.52

Finding the Fourth Proportional to 10,130.60, 13,964.91 and 7,888.52

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Solution

The fourth proportional to 10,130.60, 13,964.91 and 7,888.52 is: 10,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.60 : 13,964.91 = 7,888.52 : x
  2. Step 2: Convert to fraction form
    10,130.60/13,964.91 = 7,888.52/x
  3. Step 3: Cross multiply
    10,130.60x = 13,964.91 × 7,888.52
  4. Step 4: Simplify right side
    10,130.60x = 110,162,471.83
  5. Step 5: Solve for x
    x = 110,162,471.83/10,130.60
  6. Step 6: Final answer
    x = 10,874.23

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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.