Home / 12,898.26-17,801.60-7,235.30

Finding the Fourth Proportional to 12,898.26, 17,801.60 and 7,235.30

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Solution

The fourth proportional to 12,898.26, 17,801.60 and 7,235.30 is: 9,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.26 : 17,801.60 = 7,235.30 : x
  2. Step 2: Convert to fraction form
    12,898.26/17,801.60 = 7,235.30/x
  3. Step 3: Cross multiply
    12,898.26x = 17,801.60 × 7,235.30
  4. Step 4: Simplify right side
    12,898.26x = 128,799,916.48
  5. Step 5: Solve for x
    x = 128,799,916.48/12,898.26
  6. Step 6: Final answer
    x = 9,985.84

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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.