Home / 20,848.04-28,773.06-13,417.64

Finding the Fourth Proportional to 20,848.04, 28,773.06 and 13,417.64

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Solution

The fourth proportional to 20,848.04, 28,773.06 and 13,417.64 is: 18,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.04 : 28,773.06 = 13,417.64 : x
  2. Step 2: Convert to fraction form
    20,848.04/28,773.06 = 13,417.64/x
  3. Step 3: Cross multiply
    20,848.04x = 28,773.06 × 13,417.64
  4. Step 4: Simplify right side
    20,848.04x = 386,066,560.78
  5. Step 5: Solve for x
    x = 386,066,560.78/20,848.04
  6. Step 6: Final answer
    x = 18,518.12

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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.