Home / 15,950.48-22,012.68-9,664.40

Finding the Fourth Proportional to 15,950.48, 22,012.68 and 9,664.40

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Solution

The fourth proportional to 15,950.48, 22,012.68 and 9,664.40 is: 13,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.48 : 22,012.68 = 9,664.40 : x
  2. Step 2: Convert to fraction form
    15,950.48/22,012.68 = 9,664.40/x
  3. Step 3: Cross multiply
    15,950.48x = 22,012.68 × 9,664.40
  4. Step 4: Simplify right side
    15,950.48x = 212,739,344.59
  5. Step 5: Solve for x
    x = 212,739,344.59/15,950.48
  6. Step 6: Final answer
    x = 13,337.49

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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.