Home / 12,948.90-19,423.95-4,632.85

Finding the Fourth Proportional to 12,948.90, 19,423.95 and 4,632.85

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Solution

The fourth proportional to 12,948.90, 19,423.95 and 4,632.85 is: 6,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.90 : 19,423.95 = 4,632.85 : x
  2. Step 2: Convert to fraction form
    12,948.90/19,423.95 = 4,632.85/x
  3. Step 3: Cross multiply
    12,948.90x = 19,423.95 × 4,632.85
  4. Step 4: Simplify right side
    12,948.90x = 89,988,246.76
  5. Step 5: Solve for x
    x = 89,988,246.76/12,948.90
  6. Step 6: Final answer
    x = 6,949.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.