Home / 13,045.04-19,569.20-4,280.88

Finding the Fourth Proportional to 13,045.04, 19,569.20 and 4,280.88

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Solution

The fourth proportional to 13,045.04, 19,569.20 and 4,280.88 is: 6,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.04 : 19,569.20 = 4,280.88 : x
  2. Step 2: Convert to fraction form
    13,045.04/19,569.20 = 4,280.88/x
  3. Step 3: Cross multiply
    13,045.04x = 19,569.20 × 4,280.88
  4. Step 4: Simplify right side
    13,045.04x = 83,773,396.90
  5. Step 5: Solve for x
    x = 83,773,396.90/13,045.04
  6. Step 6: Final answer
    x = 6,421.86

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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.