Home / 10,280.79-14,186.63-6,031.40

Finding the Fourth Proportional to 10,280.79, 14,186.63 and 6,031.40

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Solution

The fourth proportional to 10,280.79, 14,186.63 and 6,031.40 is: 8,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.79 : 14,186.63 = 6,031.40 : x
  2. Step 2: Convert to fraction form
    10,280.79/14,186.63 = 6,031.40/x
  3. Step 3: Cross multiply
    10,280.79x = 14,186.63 × 6,031.40
  4. Step 4: Simplify right side
    10,280.79x = 85,565,290.73
  5. Step 5: Solve for x
    x = 85,565,290.73/10,280.79
  6. Step 6: Final answer
    x = 8,322.84

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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.