Home / 13,988.13-19,303.01-7,614.73

Finding the Fourth Proportional to 13,988.13, 19,303.01 and 7,614.73

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Solution

The fourth proportional to 13,988.13, 19,303.01 and 7,614.73 is: 10,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.13 : 19,303.01 = 7,614.73 : x
  2. Step 2: Convert to fraction form
    13,988.13/19,303.01 = 7,614.73/x
  3. Step 3: Cross multiply
    13,988.13x = 19,303.01 × 7,614.73
  4. Step 4: Simplify right side
    13,988.13x = 146,987,209.34
  5. Step 5: Solve for x
    x = 146,987,209.34/13,988.13
  6. Step 6: Final answer
    x = 10,508.00

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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.