Home / 13,045.60-19,573.80-4,283.20

Finding the Fourth Proportional to 13,045.60, 19,573.80 and 4,283.20

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Solution

The fourth proportional to 13,045.60, 19,573.80 and 4,283.20 is: 6,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.60 : 19,573.80 = 4,283.20 : x
  2. Step 2: Convert to fraction form
    13,045.60/19,573.80 = 4,283.20/x
  3. Step 3: Cross multiply
    13,045.60x = 19,573.80 × 4,283.20
  4. Step 4: Simplify right side
    13,045.60x = 83,838,500.16
  5. Step 5: Solve for x
    x = 83,838,500.16/13,045.60
  6. Step 6: Final answer
    x = 6,426.57

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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.