Home / 19,374.04-29,068.76-8,280.42

Finding the Fourth Proportional to 19,374.04, 29,068.76 and 8,280.42

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Solution

The fourth proportional to 19,374.04, 29,068.76 and 8,280.42 is: 12,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.04 : 29,068.76 = 8,280.42 : x
  2. Step 2: Convert to fraction form
    19,374.04/29,068.76 = 8,280.42/x
  3. Step 3: Cross multiply
    19,374.04x = 29,068.76 × 8,280.42
  4. Step 4: Simplify right side
    19,374.04x = 240,701,541.68
  5. Step 5: Solve for x
    x = 240,701,541.68/19,374.04
  6. Step 6: Final answer
    x = 12,423.92

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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.