Home / 13,386.48-20,063.79-10,088.70

Finding the Fourth Proportional to 13,386.48, 20,063.79 and 10,088.70

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Solution

The fourth proportional to 13,386.48, 20,063.79 and 10,088.70 is: 15,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.48 : 20,063.79 = 10,088.70 : x
  2. Step 2: Convert to fraction form
    13,386.48/20,063.79 = 10,088.70/x
  3. Step 3: Cross multiply
    13,386.48x = 20,063.79 × 10,088.70
  4. Step 4: Simplify right side
    13,386.48x = 202,417,558.17
  5. Step 5: Solve for x
    x = 202,417,558.17/13,386.48
  6. Step 6: Final answer
    x = 15,121.04

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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.