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Finding the Fourth Proportional to 8,894.63, 13,360.39 and 7,058.68

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Solution

The fourth proportional to 8,894.63, 13,360.39 and 7,058.68 is: 10,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.63 : 13,360.39 = 7,058.68 : x
  2. Step 2: Convert to fraction form
    8,894.63/13,360.39 = 7,058.68/x
  3. Step 3: Cross multiply
    8,894.63x = 13,360.39 × 7,058.68
  4. Step 4: Simplify right side
    8,894.63x = 94,306,666.64
  5. Step 5: Solve for x
    x = 94,306,666.64/8,894.63
  6. Step 6: Final answer
    x = 10,602.65

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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.