Home / 16,289.05-22,479.63-12,746.11

Finding the Fourth Proportional to 16,289.05, 22,479.63 and 12,746.11

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Solution

The fourth proportional to 16,289.05, 22,479.63 and 12,746.11 is: 17,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.05 : 22,479.63 = 12,746.11 : x
  2. Step 2: Convert to fraction form
    16,289.05/22,479.63 = 12,746.11/x
  3. Step 3: Cross multiply
    16,289.05x = 22,479.63 × 12,746.11
  4. Step 4: Simplify right side
    16,289.05x = 286,527,774.89
  5. Step 5: Solve for x
    x = 286,527,774.89/16,289.05
  6. Step 6: Final answer
    x = 17,590.21

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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.