Home / 21,332.04-29,424.51-12,948.54

Finding the Fourth Proportional to 21,332.04, 29,424.51 and 12,948.54

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Solution

The fourth proportional to 21,332.04, 29,424.51 and 12,948.54 is: 17,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.04 : 29,424.51 = 12,948.54 : x
  2. Step 2: Convert to fraction form
    21,332.04/29,424.51 = 12,948.54/x
  3. Step 3: Cross multiply
    21,332.04x = 29,424.51 × 12,948.54
  4. Step 4: Simplify right side
    21,332.04x = 381,004,444.72
  5. Step 5: Solve for x
    x = 381,004,444.72/21,332.04
  6. Step 6: Final answer
    x = 17,860.67

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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.