Home / 15,707.04-21,675.42-8,633.31

Finding the Fourth Proportional to 15,707.04, 21,675.42 and 8,633.31

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Solution

The fourth proportional to 15,707.04, 21,675.42 and 8,633.31 is: 11,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707.04 : 21,675.42 = 8,633.31 : x
  2. Step 2: Convert to fraction form
    15,707.04/21,675.42 = 8,633.31/x
  3. Step 3: Cross multiply
    15,707.04x = 21,675.42 × 8,633.31
  4. Step 4: Simplify right side
    15,707.04x = 187,130,620.24
  5. Step 5: Solve for x
    x = 187,130,620.24/15,707.04
  6. Step 6: Final answer
    x = 11,913.81

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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.