Home / 22,148.90-30,564.69-12,077.18

Finding the Fourth Proportional to 22,148.90, 30,564.69 and 12,077.18

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Solution

The fourth proportional to 22,148.90, 30,564.69 and 12,077.18 is: 16,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.90 : 30,564.69 = 12,077.18 : x
  2. Step 2: Convert to fraction form
    22,148.90/30,564.69 = 12,077.18/x
  3. Step 3: Cross multiply
    22,148.90x = 30,564.69 × 12,077.18
  4. Step 4: Simplify right side
    22,148.90x = 369,135,262.77
  5. Step 5: Solve for x
    x = 369,135,262.77/22,148.90
  6. Step 6: Final answer
    x = 16,666.08

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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.