Home / 10,191.47-14,058.25-6,408.64

Finding the Fourth Proportional to 10,191.47, 14,058.25 and 6,408.64

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Solution

The fourth proportional to 10,191.47, 14,058.25 and 6,408.64 is: 8,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.47 : 14,058.25 = 6,408.64 : x
  2. Step 2: Convert to fraction form
    10,191.47/14,058.25 = 6,408.64/x
  3. Step 3: Cross multiply
    10,191.47x = 14,058.25 × 6,408.64
  4. Step 4: Simplify right side
    10,191.47x = 90,094,263.28
  5. Step 5: Solve for x
    x = 90,094,263.28/10,191.47
  6. Step 6: Final answer
    x = 8,840.16

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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.