Home / 10,144.04-15,210.99-6,443.55

Finding the Fourth Proportional to 10,144.04, 15,210.99 and 6,443.55

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Solution

The fourth proportional to 10,144.04, 15,210.99 and 6,443.55 is: 9,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.04 : 15,210.99 = 6,443.55 : x
  2. Step 2: Convert to fraction form
    10,144.04/15,210.99 = 6,443.55/x
  3. Step 3: Cross multiply
    10,144.04x = 15,210.99 × 6,443.55
  4. Step 4: Simplify right side
    10,144.04x = 98,012,774.61
  5. Step 5: Solve for x
    x = 98,012,774.61/10,144.04
  6. Step 6: Final answer
    x = 9,662.11

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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.