Home / 14,440.71-19,929.51-8,774.15

Finding the Fourth Proportional to 14,440.71, 19,929.51 and 8,774.15

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Solution

The fourth proportional to 14,440.71, 19,929.51 and 8,774.15 is: 12,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.71 : 19,929.51 = 8,774.15 : x
  2. Step 2: Convert to fraction form
    14,440.71/19,929.51 = 8,774.15/x
  3. Step 3: Cross multiply
    14,440.71x = 19,929.51 × 8,774.15
  4. Step 4: Simplify right side
    14,440.71x = 174,864,410.52
  5. Step 5: Solve for x
    x = 174,864,410.52/14,440.71
  6. Step 6: Final answer
    x = 12,109.13

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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.