Home / 13,528.33-20,292.25-5,210.15

Finding the Fourth Proportional to 13,528.33, 20,292.25 and 5,210.15

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Solution

The fourth proportional to 13,528.33, 20,292.25 and 5,210.15 is: 7,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.33 : 20,292.25 = 5,210.15 : x
  2. Step 2: Convert to fraction form
    13,528.33/20,292.25 = 5,210.15/x
  3. Step 3: Cross multiply
    13,528.33x = 20,292.25 × 5,210.15
  4. Step 4: Simplify right side
    13,528.33x = 105,725,666.34
  5. Step 5: Solve for x
    x = 105,725,666.34/13,528.33
  6. Step 6: Final answer
    x = 7,815.13

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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.