Home / 10,851.47-14,975.18-6,659.72

Finding the Fourth Proportional to 10,851.47, 14,975.18 and 6,659.72

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Solution

The fourth proportional to 10,851.47, 14,975.18 and 6,659.72 is: 9,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.47 : 14,975.18 = 6,659.72 : x
  2. Step 2: Convert to fraction form
    10,851.47/14,975.18 = 6,659.72/x
  3. Step 3: Cross multiply
    10,851.47x = 14,975.18 × 6,659.72
  4. Step 4: Simplify right side
    10,851.47x = 99,730,478.71
  5. Step 5: Solve for x
    x = 99,730,478.71/10,851.47
  6. Step 6: Final answer
    x = 9,190.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.