Home / 12,532.04-18,802.98-5,140.04

Finding the Fourth Proportional to 12,532.04, 18,802.98 and 5,140.04

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Solution

The fourth proportional to 12,532.04, 18,802.98 and 5,140.04 is: 7,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.04 : 18,802.98 = 5,140.04 : x
  2. Step 2: Convert to fraction form
    12,532.04/18,802.98 = 5,140.04/x
  3. Step 3: Cross multiply
    12,532.04x = 18,802.98 × 5,140.04
  4. Step 4: Simplify right side
    12,532.04x = 96,648,069.32
  5. Step 5: Solve for x
    x = 96,648,069.32/12,532.04
  6. Step 6: Final answer
    x = 7,712.08

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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.