Home / 18,748.40-25,876.14-14,265.32

Finding the Fourth Proportional to 18,748.40, 25,876.14 and 14,265.32

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Solution

The fourth proportional to 18,748.40, 25,876.14 and 14,265.32 is: 19,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.40 : 25,876.14 = 14,265.32 : x
  2. Step 2: Convert to fraction form
    18,748.40/25,876.14 = 14,265.32/x
  3. Step 3: Cross multiply
    18,748.40x = 25,876.14 × 14,265.32
  4. Step 4: Simplify right side
    18,748.40x = 369,131,417.46
  5. Step 5: Solve for x
    x = 369,131,417.46/18,748.40
  6. Step 6: Final answer
    x = 19,688.69

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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.