Home / 10,305.68-15,444.12-5,106.32

Finding the Fourth Proportional to 10,305.68, 15,444.12 and 5,106.32

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Solution

The fourth proportional to 10,305.68, 15,444.12 and 5,106.32 is: 7,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.68 : 15,444.12 = 5,106.32 : x
  2. Step 2: Convert to fraction form
    10,305.68/15,444.12 = 5,106.32/x
  3. Step 3: Cross multiply
    10,305.68x = 15,444.12 × 5,106.32
  4. Step 4: Simplify right side
    10,305.68x = 78,862,618.84
  5. Step 5: Solve for x
    x = 78,862,618.84/10,305.68
  6. Step 6: Final answer
    x = 7,652.35

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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.