Home / 13,929.39-20,893.08-6,535.53

Finding the Fourth Proportional to 13,929.39, 20,893.08 and 6,535.53

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Solution

The fourth proportional to 13,929.39, 20,893.08 and 6,535.53 is: 9,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.39 : 20,893.08 = 6,535.53 : x
  2. Step 2: Convert to fraction form
    13,929.39/20,893.08 = 6,535.53/x
  3. Step 3: Cross multiply
    13,929.39x = 20,893.08 × 6,535.53
  4. Step 4: Simplify right side
    13,929.39x = 136,547,351.13
  5. Step 5: Solve for x
    x = 136,547,351.13/13,929.39
  6. Step 6: Final answer
    x = 9,802.82

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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.