Home / 18,298.34-25,255.86-10,345.18

Finding the Fourth Proportional to 18,298.34, 25,255.86 and 10,345.18

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Solution

The fourth proportional to 18,298.34, 25,255.86 and 10,345.18 is: 14,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.34 : 25,255.86 = 10,345.18 : x
  2. Step 2: Convert to fraction form
    18,298.34/25,255.86 = 10,345.18/x
  3. Step 3: Cross multiply
    18,298.34x = 25,255.86 × 10,345.18
  4. Step 4: Simplify right side
    18,298.34x = 261,276,417.75
  5. Step 5: Solve for x
    x = 261,276,417.75/18,298.34
  6. Step 6: Final answer
    x = 14,278.70

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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.