Home / 14,275.77-19,700.58-7,988.14

Finding the Fourth Proportional to 14,275.77, 19,700.58 and 7,988.14

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Solution

The fourth proportional to 14,275.77, 19,700.58 and 7,988.14 is: 11,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.77 : 19,700.58 = 7,988.14 : x
  2. Step 2: Convert to fraction form
    14,275.77/19,700.58 = 7,988.14/x
  3. Step 3: Cross multiply
    14,275.77x = 19,700.58 × 7,988.14
  4. Step 4: Simplify right side
    14,275.77x = 157,370,991.12
  5. Step 5: Solve for x
    x = 157,370,991.12/14,275.77
  6. Step 6: Final answer
    x = 11,023.64

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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.