Home / 13,529.29-18,670.35-7,560.95

Finding the Fourth Proportional to 13,529.29, 18,670.35 and 7,560.95

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Solution

The fourth proportional to 13,529.29, 18,670.35 and 7,560.95 is: 10,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.29 : 18,670.35 = 7,560.95 : x
  2. Step 2: Convert to fraction form
    13,529.29/18,670.35 = 7,560.95/x
  3. Step 3: Cross multiply
    13,529.29x = 18,670.35 × 7,560.95
  4. Step 4: Simplify right side
    13,529.29x = 141,165,648.41
  5. Step 5: Solve for x
    x = 141,165,648.41/13,529.29
  6. Step 6: Final answer
    x = 10,434.08

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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.