Home / 13,280.77-19,895.23-10,345.33

Finding the Fourth Proportional to 13,280.77, 19,895.23 and 10,345.33

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Solution

The fourth proportional to 13,280.77, 19,895.23 and 10,345.33 is: 15,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.77 : 19,895.23 = 10,345.33 : x
  2. Step 2: Convert to fraction form
    13,280.77/19,895.23 = 10,345.33/x
  3. Step 3: Cross multiply
    13,280.77x = 19,895.23 × 10,345.33
  4. Step 4: Simplify right side
    13,280.77x = 205,822,719.78
  5. Step 5: Solve for x
    x = 205,822,719.78/13,280.77
  6. Step 6: Final answer
    x = 15,497.80

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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.