Home / 19,689.04-29,526.20-7,998.32

Finding the Fourth Proportional to 19,689.04, 29,526.20 and 7,998.32

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Solution

The fourth proportional to 19,689.04, 29,526.20 and 7,998.32 is: 11,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.04 : 29,526.20 = 7,998.32 : x
  2. Step 2: Convert to fraction form
    19,689.04/29,526.20 = 7,998.32/x
  3. Step 3: Cross multiply
    19,689.04x = 29,526.20 × 7,998.32
  4. Step 4: Simplify right side
    19,689.04x = 236,159,995.98
  5. Step 5: Solve for x
    x = 236,159,995.98/19,689.04
  6. Step 6: Final answer
    x = 11,994.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.