Home / 18,952.68-26,154.38-10,455.63

Finding the Fourth Proportional to 18,952.68, 26,154.38 and 10,455.63

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Solution

The fourth proportional to 18,952.68, 26,154.38 and 10,455.63 is: 14,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.68 : 26,154.38 = 10,455.63 : x
  2. Step 2: Convert to fraction form
    18,952.68/26,154.38 = 10,455.63/x
  3. Step 3: Cross multiply
    18,952.68x = 26,154.38 × 10,455.63
  4. Step 4: Simplify right side
    18,952.68x = 273,460,520.16
  5. Step 5: Solve for x
    x = 273,460,520.16/18,952.68
  6. Step 6: Final answer
    x = 14,428.59

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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.