Home / 13,516.19-18,652.35-7,547.87

Finding the Fourth Proportional to 13,516.19, 18,652.35 and 7,547.87

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Solution

The fourth proportional to 13,516.19, 18,652.35 and 7,547.87 is: 10,416.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.19 : 18,652.35 = 7,547.87 : x
  2. Step 2: Convert to fraction form
    13,516.19/18,652.35 = 7,547.87/x
  3. Step 3: Cross multiply
    13,516.19x = 18,652.35 × 7,547.87
  4. Step 4: Simplify right side
    13,516.19x = 140,785,419.73
  5. Step 5: Solve for x
    x = 140,785,419.73/13,516.19
  6. Step 6: Final answer
    x = 10,416.06

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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.