Home / 13,444.84-20,160.88-4,678.68

Finding the Fourth Proportional to 13,444.84, 20,160.88 and 4,678.68

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Solution

The fourth proportional to 13,444.84, 20,160.88 and 4,678.68 is: 7,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.84 : 20,160.88 = 4,678.68 : x
  2. Step 2: Convert to fraction form
    13,444.84/20,160.88 = 4,678.68/x
  3. Step 3: Cross multiply
    13,444.84x = 20,160.88 × 4,678.68
  4. Step 4: Simplify right side
    13,444.84x = 94,326,306.04
  5. Step 5: Solve for x
    x = 94,326,306.04/13,444.84
  6. Step 6: Final answer
    x = 7,015.80

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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.