Home / 21,252.24-31,880.15-6,461.29

Finding the Fourth Proportional to 21,252.24, 31,880.15 and 6,461.29

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Solution

The fourth proportional to 21,252.24, 31,880.15 and 6,461.29 is: 9,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.24 : 31,880.15 = 6,461.29 : x
  2. Step 2: Convert to fraction form
    21,252.24/31,880.15 = 6,461.29/x
  3. Step 3: Cross multiply
    21,252.24x = 31,880.15 × 6,461.29
  4. Step 4: Simplify right side
    21,252.24x = 205,986,746.84
  5. Step 5: Solve for x
    x = 205,986,746.84/21,252.24
  6. Step 6: Final answer
    x = 9,692.47

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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.