Home / 14,275.51-19,699.41-7,988.29

Finding the Fourth Proportional to 14,275.51, 19,699.41 and 7,988.29

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Solution

The fourth proportional to 14,275.51, 19,699.41 and 7,988.29 is: 11,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.51 : 19,699.41 = 7,988.29 : x
  2. Step 2: Convert to fraction form
    14,275.51/19,699.41 = 7,988.29/x
  3. Step 3: Cross multiply
    14,275.51x = 19,699.41 × 7,988.29
  4. Step 4: Simplify right side
    14,275.51x = 157,364,599.91
  5. Step 5: Solve for x
    x = 157,364,599.91/14,275.51
  6. Step 6: Final answer
    x = 11,023.40

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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.