Home / 13,258.27-18,277.59-10,545.72

Finding the Fourth Proportional to 13,258.27, 18,277.59 and 10,545.72

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Solution

The fourth proportional to 13,258.27, 18,277.59 and 10,545.72 is: 14,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.27 : 18,277.59 = 10,545.72 : x
  2. Step 2: Convert to fraction form
    13,258.27/18,277.59 = 10,545.72/x
  3. Step 3: Cross multiply
    13,258.27x = 18,277.59 × 10,545.72
  4. Step 4: Simplify right side
    13,258.27x = 192,750,346.41
  5. Step 5: Solve for x
    x = 192,750,346.41/13,258.27
  6. Step 6: Final answer
    x = 14,538.12

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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.