Home / 9,223.76-12,728.67-5,031.74

Finding the Fourth Proportional to 9,223.76, 12,728.67 and 5,031.74

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Solution

The fourth proportional to 9,223.76, 12,728.67 and 5,031.74 is: 6,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.76 : 12,728.67 = 5,031.74 : x
  2. Step 2: Convert to fraction form
    9,223.76/12,728.67 = 5,031.74/x
  3. Step 3: Cross multiply
    9,223.76x = 12,728.67 × 5,031.74
  4. Step 4: Simplify right side
    9,223.76x = 64,047,357.99
  5. Step 5: Solve for x
    x = 64,047,357.99/9,223.76
  6. Step 6: Final answer
    x = 6,943.74

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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.