Home / 13,725.19-20,587.57-4,365.07

Finding the Fourth Proportional to 13,725.19, 20,587.57 and 4,365.07

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Solution

The fourth proportional to 13,725.19, 20,587.57 and 4,365.07 is: 6,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.19 : 20,587.57 = 4,365.07 : x
  2. Step 2: Convert to fraction form
    13,725.19/20,587.57 = 4,365.07/x
  3. Step 3: Cross multiply
    13,725.19x = 20,587.57 × 4,365.07
  4. Step 4: Simplify right side
    13,725.19x = 89,866,269.18
  5. Step 5: Solve for x
    x = 89,866,269.18/13,725.19
  6. Step 6: Final answer
    x = 6,547.54

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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.