Home / 13,323.02-18,385.85-7,354.87

Finding the Fourth Proportional to 13,323.02, 18,385.85 and 7,354.87

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Solution

The fourth proportional to 13,323.02, 18,385.85 and 7,354.87 is: 10,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.02 : 18,385.85 = 7,354.87 : x
  2. Step 2: Convert to fraction form
    13,323.02/18,385.85 = 7,354.87/x
  3. Step 3: Cross multiply
    13,323.02x = 18,385.85 × 7,354.87
  4. Step 4: Simplify right side
    13,323.02x = 135,225,509.01
  5. Step 5: Solve for x
    x = 135,225,509.01/13,323.02
  6. Step 6: Final answer
    x = 10,149.77

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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.