Home / 13,988.14-19,303.62-7,700.92

Finding the Fourth Proportional to 13,988.14, 19,303.62 and 7,700.92

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Solution

The fourth proportional to 13,988.14, 19,303.62 and 7,700.92 is: 10,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.14 : 19,303.62 = 7,700.92 : x
  2. Step 2: Convert to fraction form
    13,988.14/19,303.62 = 7,700.92/x
  3. Step 3: Cross multiply
    13,988.14x = 19,303.62 × 7,700.92
  4. Step 4: Simplify right side
    13,988.14x = 148,655,633.33
  5. Step 5: Solve for x
    x = 148,655,633.33/13,988.14
  6. Step 6: Final answer
    x = 10,627.26

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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.