Home / 42,465.08-63,697.74-12,883.16

Finding the Fourth Proportional to 42,465.08, 63,697.74 and 12,883.16

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Solution

The fourth proportional to 42,465.08, 63,697.74 and 12,883.16 is: 19,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,465.08 : 63,697.74 = 12,883.16 : x
  2. Step 2: Convert to fraction form
    42,465.08/63,697.74 = 12,883.16/x
  3. Step 3: Cross multiply
    42,465.08x = 63,697.74 × 12,883.16
  4. Step 4: Simplify right side
    42,465.08x = 820,628,176.06
  5. Step 5: Solve for x
    x = 820,628,176.06/42,465.08
  6. Step 6: Final answer
    x = 19,324.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.