Home / 10,103.12-15,071.80-9,396.08

Finding the Fourth Proportional to 10,103.12, 15,071.80 and 9,396.08

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Solution

The fourth proportional to 10,103.12, 15,071.80 and 9,396.08 is: 14,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.12 : 15,071.80 = 9,396.08 : x
  2. Step 2: Convert to fraction form
    10,103.12/15,071.80 = 9,396.08/x
  3. Step 3: Cross multiply
    10,103.12x = 15,071.80 × 9,396.08
  4. Step 4: Simplify right side
    10,103.12x = 141,615,838.54
  5. Step 5: Solve for x
    x = 141,615,838.54/10,103.12
  6. Step 6: Final answer
    x = 14,017.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.