Home / 19,316.18-28,974.28-8,926.58

Finding the Fourth Proportional to 19,316.18, 28,974.28 and 8,926.58

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Solution

The fourth proportional to 19,316.18, 28,974.28 and 8,926.58 is: 13,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.18 : 28,974.28 = 8,926.58 : x
  2. Step 2: Convert to fraction form
    19,316.18/28,974.28 = 8,926.58/x
  3. Step 3: Cross multiply
    19,316.18x = 28,974.28 × 8,926.58
  4. Step 4: Simplify right side
    19,316.18x = 258,641,228.36
  5. Step 5: Solve for x
    x = 258,641,228.36/19,316.18
  6. Step 6: Final answer
    x = 13,389.87

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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.