Home / 18,956.08-26,158.80-10,458.40

Finding the Fourth Proportional to 18,956.08, 26,158.80 and 10,458.40

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Solution

The fourth proportional to 18,956.08, 26,158.80 and 10,458.40 is: 14,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.08 : 26,158.80 = 10,458.40 : x
  2. Step 2: Convert to fraction form
    18,956.08/26,158.80 = 10,458.40/x
  3. Step 3: Cross multiply
    18,956.08x = 26,158.80 × 10,458.40
  4. Step 4: Simplify right side
    18,956.08x = 273,579,193.92
  5. Step 5: Solve for x
    x = 273,579,193.92/18,956.08
  6. Step 6: Final answer
    x = 14,432.27

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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.