Home / 21,980.49-32,963.52-9,492.72

Finding the Fourth Proportional to 21,980.49, 32,963.52 and 9,492.72

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Solution

The fourth proportional to 21,980.49, 32,963.52 and 9,492.72 is: 14,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,980.49 : 32,963.52 = 9,492.72 : x
  2. Step 2: Convert to fraction form
    21,980.49/32,963.52 = 9,492.72/x
  3. Step 3: Cross multiply
    21,980.49x = 32,963.52 × 9,492.72
  4. Step 4: Simplify right side
    21,980.49x = 312,913,465.57
  5. Step 5: Solve for x
    x = 312,913,465.57/21,980.49
  6. Step 6: Final answer
    x = 14,235.96

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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.