Home / 15,182.84-22,782.90-12,124.28

Finding the Fourth Proportional to 15,182.84, 22,782.90 and 12,124.28

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Solution

The fourth proportional to 15,182.84, 22,782.90 and 12,124.28 is: 18,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.84 : 22,782.90 = 12,124.28 : x
  2. Step 2: Convert to fraction form
    15,182.84/22,782.90 = 12,124.28/x
  3. Step 3: Cross multiply
    15,182.84x = 22,782.90 × 12,124.28
  4. Step 4: Simplify right side
    15,182.84x = 276,226,258.81
  5. Step 5: Solve for x
    x = 276,226,258.81/15,182.84
  6. Step 6: Final answer
    x = 18,193.32

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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.