Home / 14,359.02-21,538.52-9,416.40

Finding the Fourth Proportional to 14,359.02, 21,538.52 and 9,416.40

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Solution

The fourth proportional to 14,359.02, 21,538.52 and 9,416.40 is: 14,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.02 : 21,538.52 = 9,416.40 : x
  2. Step 2: Convert to fraction form
    14,359.02/21,538.52 = 9,416.40/x
  3. Step 3: Cross multiply
    14,359.02x = 21,538.52 × 9,416.40
  4. Step 4: Simplify right side
    14,359.02x = 202,815,319.73
  5. Step 5: Solve for x
    x = 202,815,319.73/14,359.02
  6. Step 6: Final answer
    x = 14,124.59

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1.5x scale

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.