Home / 21,223.13-29,279.48-14,848.02

Finding the Fourth Proportional to 21,223.13, 29,279.48 and 14,848.02

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Solution

The fourth proportional to 21,223.13, 29,279.48 and 14,848.02 is: 20,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223.13 : 29,279.48 = 14,848.02 : x
  2. Step 2: Convert to fraction form
    21,223.13/29,279.48 = 14,848.02/x
  3. Step 3: Cross multiply
    21,223.13x = 29,279.48 × 14,848.02
  4. Step 4: Simplify right side
    21,223.13x = 434,742,230.39
  5. Step 5: Solve for x
    x = 434,742,230.39/21,223.13
  6. Step 6: Final answer
    x = 20,484.36

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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.