Home / 19,317.24-28,963.80-10,869.93

Finding the Fourth Proportional to 19,317.24, 28,963.80 and 10,869.93

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Solution

The fourth proportional to 19,317.24, 28,963.80 and 10,869.93 is: 16,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.24 : 28,963.80 = 10,869.93 : x
  2. Step 2: Convert to fraction form
    19,317.24/28,963.80 = 10,869.93/x
  3. Step 3: Cross multiply
    19,317.24x = 28,963.80 × 10,869.93
  4. Step 4: Simplify right side
    19,317.24x = 314,834,478.53
  5. Step 5: Solve for x
    x = 314,834,478.53/19,317.24
  6. Step 6: Final answer
    x = 16,298.11

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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.