Home / 14,454.60-21,681.60-6,663.42

Finding the Fourth Proportional to 14,454.60, 21,681.60 and 6,663.42

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Solution

The fourth proportional to 14,454.60, 21,681.60 and 6,663.42 is: 9,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.60 : 21,681.60 = 6,663.42 : x
  2. Step 2: Convert to fraction form
    14,454.60/21,681.60 = 6,663.42/x
  3. Step 3: Cross multiply
    14,454.60x = 21,681.60 × 6,663.42
  4. Step 4: Simplify right side
    14,454.60x = 144,473,607.07
  5. Step 5: Solve for x
    x = 144,473,607.07/14,454.60
  6. Step 6: Final answer
    x = 9,994.99

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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.