Home / 21,374.48-29,498.14-11,943.06

Finding the Fourth Proportional to 21,374.48, 29,498.14 and 11,943.06

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Solution

The fourth proportional to 21,374.48, 29,498.14 and 11,943.06 is: 16,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.48 : 29,498.14 = 11,943.06 : x
  2. Step 2: Convert to fraction form
    21,374.48/29,498.14 = 11,943.06/x
  3. Step 3: Cross multiply
    21,374.48x = 29,498.14 × 11,943.06
  4. Step 4: Simplify right side
    21,374.48x = 352,298,055.91
  5. Step 5: Solve for x
    x = 352,298,055.91/21,374.48
  6. Step 6: Final answer
    x = 16,482.18

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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.