Home / 10,302.34-14,211.75-6,270.40

Finding the Fourth Proportional to 10,302.34, 14,211.75 and 6,270.40

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Solution

The fourth proportional to 10,302.34, 14,211.75 and 6,270.40 is: 8,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.34 : 14,211.75 = 6,270.40 : x
  2. Step 2: Convert to fraction form
    10,302.34/14,211.75 = 6,270.40/x
  3. Step 3: Cross multiply
    10,302.34x = 14,211.75 × 6,270.40
  4. Step 4: Simplify right side
    10,302.34x = 89,113,357.20
  5. Step 5: Solve for x
    x = 89,113,357.20/10,302.34
  6. Step 6: Final answer
    x = 8,649.82

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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.