Home / 15,292.02-21,099.78-9,994.62

Finding the Fourth Proportional to 15,292.02, 21,099.78 and 9,994.62

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Solution

The fourth proportional to 15,292.02, 21,099.78 and 9,994.62 is: 13,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.02 : 21,099.78 = 9,994.62 : x
  2. Step 2: Convert to fraction form
    15,292.02/21,099.78 = 9,994.62/x
  3. Step 3: Cross multiply
    15,292.02x = 21,099.78 × 9,994.62
  4. Step 4: Simplify right side
    15,292.02x = 210,884,283.18
  5. Step 5: Solve for x
    x = 210,884,283.18/15,292.02
  6. Step 6: Final answer
    x = 13,790.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.