Home / 10,209.04-15,315.59-4,365.57

Finding the Fourth Proportional to 10,209.04, 15,315.59 and 4,365.57

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Solution

The fourth proportional to 10,209.04, 15,315.59 and 4,365.57 is: 6,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.04 : 15,315.59 = 4,365.57 : x
  2. Step 2: Convert to fraction form
    10,209.04/15,315.59 = 4,365.57/x
  3. Step 3: Cross multiply
    10,209.04x = 15,315.59 × 4,365.57
  4. Step 4: Simplify right side
    10,209.04x = 66,861,280.24
  5. Step 5: Solve for x
    x = 66,861,280.24/10,209.04
  6. Step 6: Final answer
    x = 6,549.22

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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.