Home / 13,186.23-19,777.22-4,870.17

Finding the Fourth Proportional to 13,186.23, 19,777.22 and 4,870.17

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Solution

The fourth proportional to 13,186.23, 19,777.22 and 4,870.17 is: 7,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.23 : 19,777.22 = 4,870.17 : x
  2. Step 2: Convert to fraction form
    13,186.23/19,777.22 = 4,870.17/x
  3. Step 3: Cross multiply
    13,186.23x = 19,777.22 × 4,870.17
  4. Step 4: Simplify right side
    13,186.23x = 96,318,300.29
  5. Step 5: Solve for x
    x = 96,318,300.29/13,186.23
  6. Step 6: Final answer
    x = 7,304.46

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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.