Home / 18,875.42-26,046.48-10,377.08

Finding the Fourth Proportional to 18,875.42, 26,046.48 and 10,377.08

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Solution

The fourth proportional to 18,875.42, 26,046.48 and 10,377.08 is: 14,319.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.42 : 26,046.48 = 10,377.08 : x
  2. Step 2: Convert to fraction form
    18,875.42/26,046.48 = 10,377.08/x
  3. Step 3: Cross multiply
    18,875.42x = 26,046.48 × 10,377.08
  4. Step 4: Simplify right side
    18,875.42x = 270,286,406.68
  5. Step 5: Solve for x
    x = 270,286,406.68/18,875.42
  6. Step 6: Final answer
    x = 14,319.49

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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.