Home / 12,011.10-16,570.22-7,531.80

Finding the Fourth Proportional to 12,011.10, 16,570.22 and 7,531.80

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Solution

The fourth proportional to 12,011.10, 16,570.22 and 7,531.80 is: 10,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.10 : 16,570.22 = 7,531.80 : x
  2. Step 2: Convert to fraction form
    12,011.10/16,570.22 = 7,531.80/x
  3. Step 3: Cross multiply
    12,011.10x = 16,570.22 × 7,531.80
  4. Step 4: Simplify right side
    12,011.10x = 124,803,545.34
  5. Step 5: Solve for x
    x = 124,803,545.34/12,011.10
  6. Step 6: Final answer
    x = 10,390.68

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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.