Home / 13,306.68-19,964.48-4,987.58

Finding the Fourth Proportional to 13,306.68, 19,964.48 and 4,987.58

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Solution

The fourth proportional to 13,306.68, 19,964.48 and 4,987.58 is: 7,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.68 : 19,964.48 = 4,987.58 : x
  2. Step 2: Convert to fraction form
    13,306.68/19,964.48 = 4,987.58/x
  3. Step 3: Cross multiply
    13,306.68x = 19,964.48 × 4,987.58
  4. Step 4: Simplify right side
    13,306.68x = 99,574,316.40
  5. Step 5: Solve for x
    x = 99,574,316.40/13,306.68
  6. Step 6: Final answer
    x = 7,483.03

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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.