Home / 21,045.48-31,573.08-6,254.07

Finding the Fourth Proportional to 21,045.48, 31,573.08 and 6,254.07

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Solution

The fourth proportional to 21,045.48, 31,573.08 and 6,254.07 is: 9,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.48 : 31,573.08 = 6,254.07 : x
  2. Step 2: Convert to fraction form
    21,045.48/31,573.08 = 6,254.07/x
  3. Step 3: Cross multiply
    21,045.48x = 31,573.08 × 6,254.07
  4. Step 4: Simplify right side
    21,045.48x = 197,460,252.44
  5. Step 5: Solve for x
    x = 197,460,252.44/21,045.48
  6. Step 6: Final answer
    x = 9,382.55

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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.