Home / 13,323.02-18,385.92-7,354.58

Finding the Fourth Proportional to 13,323.02, 18,385.92 and 7,354.58

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Solution

The fourth proportional to 13,323.02, 18,385.92 and 7,354.58 is: 10,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.02 : 18,385.92 = 7,354.58 : x
  2. Step 2: Convert to fraction form
    13,323.02/18,385.92 = 7,354.58/x
  3. Step 3: Cross multiply
    13,323.02x = 18,385.92 × 7,354.58
  4. Step 4: Simplify right side
    13,323.02x = 135,220,719.51
  5. Step 5: Solve for x
    x = 135,220,719.51/13,323.02
  6. Step 6: Final answer
    x = 10,149.40

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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.