Home / 18,746.83-25,869.95-12,454.75

Finding the Fourth Proportional to 18,746.83, 25,869.95 and 12,454.75

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Solution

The fourth proportional to 18,746.83, 25,869.95 and 12,454.75 is: 17,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.83 : 25,869.95 = 12,454.75 : x
  2. Step 2: Convert to fraction form
    18,746.83/25,869.95 = 12,454.75/x
  3. Step 3: Cross multiply
    18,746.83x = 25,869.95 × 12,454.75
  4. Step 4: Simplify right side
    18,746.83x = 322,203,697.49
  5. Step 5: Solve for x
    x = 322,203,697.49/18,746.83
  6. Step 6: Final answer
    x = 17,187.10

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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.