Home / 15,160.40-22,712.89-10,990.07

Finding the Fourth Proportional to 15,160.40, 22,712.89 and 10,990.07

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Solution

The fourth proportional to 15,160.40, 22,712.89 and 10,990.07 is: 16,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,160.40 : 22,712.89 = 10,990.07 : x
  2. Step 2: Convert to fraction form
    15,160.40/22,712.89 = 10,990.07/x
  3. Step 3: Cross multiply
    15,160.40x = 22,712.89 × 10,990.07
  4. Step 4: Simplify right side
    15,160.40x = 249,616,137.44
  5. Step 5: Solve for x
    x = 249,616,137.44/15,160.40
  6. Step 6: Final answer
    x = 16,465.01

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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.