Home / 14,275.14-19,699.71-7,987.50

Finding the Fourth Proportional to 14,275.14, 19,699.71 and 7,987.50

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Solution

The fourth proportional to 14,275.14, 19,699.71 and 7,987.50 is: 11,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.14 : 19,699.71 = 7,987.50 : x
  2. Step 2: Convert to fraction form
    14,275.14/19,699.71 = 7,987.50/x
  3. Step 3: Cross multiply
    14,275.14x = 19,699.71 × 7,987.50
  4. Step 4: Simplify right side
    14,275.14x = 157,351,433.63
  5. Step 5: Solve for x
    x = 157,351,433.63/14,275.14
  6. Step 6: Final answer
    x = 11,022.76

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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.