Home / 23,284.64-32,130.36-13,209.86

Finding the Fourth Proportional to 23,284.64, 32,130.36 and 13,209.86

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Solution

The fourth proportional to 23,284.64, 32,130.36 and 13,209.86 is: 18,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,284.64 : 32,130.36 = 13,209.86 : x
  2. Step 2: Convert to fraction form
    23,284.64/32,130.36 = 13,209.86/x
  3. Step 3: Cross multiply
    23,284.64x = 32,130.36 × 13,209.86
  4. Step 4: Simplify right side
    23,284.64x = 424,437,557.35
  5. Step 5: Solve for x
    x = 424,437,557.35/23,284.64
  6. Step 6: Final answer
    x = 18,228.22

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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.