Home / 10,894.96-15,038.49-6,418.63

Finding the Fourth Proportional to 10,894.96, 15,038.49 and 6,418.63

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Solution

The fourth proportional to 10,894.96, 15,038.49 and 6,418.63 is: 8,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.96 : 15,038.49 = 6,418.63 : x
  2. Step 2: Convert to fraction form
    10,894.96/15,038.49 = 6,418.63/x
  3. Step 3: Cross multiply
    10,894.96x = 15,038.49 × 6,418.63
  4. Step 4: Simplify right side
    10,894.96x = 96,526,503.07
  5. Step 5: Solve for x
    x = 96,526,503.07/10,894.96
  6. Step 6: Final answer
    x = 8,859.74

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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.