Home / 11,223.42-15,488.28-6,510.39

Finding the Fourth Proportional to 11,223.42, 15,488.28 and 6,510.39

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Solution

The fourth proportional to 11,223.42, 15,488.28 and 6,510.39 is: 8,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.42 : 15,488.28 = 6,510.39 : x
  2. Step 2: Convert to fraction form
    11,223.42/15,488.28 = 6,510.39/x
  3. Step 3: Cross multiply
    11,223.42x = 15,488.28 × 6,510.39
  4. Step 4: Simplify right side
    11,223.42x = 100,834,743.23
  5. Step 5: Solve for x
    x = 100,834,743.23/11,223.42
  6. Step 6: Final answer
    x = 8,984.32

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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.