Home / 10,422.86-15,618.60-6,258.32

Finding the Fourth Proportional to 10,422.86, 15,618.60 and 6,258.32

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Solution

The fourth proportional to 10,422.86, 15,618.60 and 6,258.32 is: 9,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.86 : 15,618.60 = 6,258.32 : x
  2. Step 2: Convert to fraction form
    10,422.86/15,618.60 = 6,258.32/x
  3. Step 3: Cross multiply
    10,422.86x = 15,618.60 × 6,258.32
  4. Step 4: Simplify right side
    10,422.86x = 97,746,196.75
  5. Step 5: Solve for x
    x = 97,746,196.75/10,422.86
  6. Step 6: Final answer
    x = 9,378.06

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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.