Home / 14,016.47-21,019.45-4,654.76

Finding the Fourth Proportional to 14,016.47, 21,019.45 and 4,654.76

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Solution

The fourth proportional to 14,016.47, 21,019.45 and 4,654.76 is: 6,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.47 : 21,019.45 = 4,654.76 : x
  2. Step 2: Convert to fraction form
    14,016.47/21,019.45 = 4,654.76/x
  3. Step 3: Cross multiply
    14,016.47x = 21,019.45 × 4,654.76
  4. Step 4: Simplify right side
    14,016.47x = 97,840,495.08
  5. Step 5: Solve for x
    x = 97,840,495.08/14,016.47
  6. Step 6: Final answer
    x = 6,980.39

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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.