Home / 13,534.34-18,675.60-7,565.28

Finding the Fourth Proportional to 13,534.34, 18,675.60 and 7,565.28

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Solution

The fourth proportional to 13,534.34, 18,675.60 and 7,565.28 is: 10,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.34 : 18,675.60 = 7,565.28 : x
  2. Step 2: Convert to fraction form
    13,534.34/18,675.60 = 7,565.28/x
  3. Step 3: Cross multiply
    13,534.34x = 18,675.60 × 7,565.28
  4. Step 4: Simplify right side
    13,534.34x = 141,286,143.17
  5. Step 5: Solve for x
    x = 141,286,143.17/13,534.34
  6. Step 6: Final answer
    x = 10,439.09

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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.