Home / 13,206.29-19,802.84-4,320.46

Finding the Fourth Proportional to 13,206.29, 19,802.84 and 4,320.46

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Solution

The fourth proportional to 13,206.29, 19,802.84 and 4,320.46 is: 6,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.29 : 19,802.84 = 4,320.46 : x
  2. Step 2: Convert to fraction form
    13,206.29/19,802.84 = 4,320.46/x
  3. Step 3: Cross multiply
    13,206.29x = 19,802.84 × 4,320.46
  4. Step 4: Simplify right side
    13,206.29x = 85,557,378.11
  5. Step 5: Solve for x
    x = 85,557,378.11/13,206.29
  6. Step 6: Final answer
    x = 6,478.53

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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.