Home / 15,646.32-23,460.16-6,290.80

Finding the Fourth Proportional to 15,646.32, 23,460.16 and 6,290.80

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Solution

The fourth proportional to 15,646.32, 23,460.16 and 6,290.80 is: 9,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.32 : 23,460.16 = 6,290.80 : x
  2. Step 2: Convert to fraction form
    15,646.32/23,460.16 = 6,290.80/x
  3. Step 3: Cross multiply
    15,646.32x = 23,460.16 × 6,290.80
  4. Step 4: Simplify right side
    15,646.32x = 147,583,174.53
  5. Step 5: Solve for x
    x = 147,583,174.53/15,646.32
  6. Step 6: Final answer
    x = 9,432.45

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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.