Home / 19,324.47-28,985.78-11,323.70

Finding the Fourth Proportional to 19,324.47, 28,985.78 and 11,323.70

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Solution

The fourth proportional to 19,324.47, 28,985.78 and 11,323.70 is: 16,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.47 : 28,985.78 = 11,323.70 : x
  2. Step 2: Convert to fraction form
    19,324.47/28,985.78 = 11,323.70/x
  3. Step 3: Cross multiply
    19,324.47x = 28,985.78 × 11,323.70
  4. Step 4: Simplify right side
    19,324.47x = 328,226,269.06
  5. Step 5: Solve for x
    x = 328,226,269.06/19,324.47
  6. Step 6: Final answer
    x = 16,985.00

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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.