Home / 10,301.15-14,211.56-6,720.31

Finding the Fourth Proportional to 10,301.15, 14,211.56 and 6,720.31

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Solution

The fourth proportional to 10,301.15, 14,211.56 and 6,720.31 is: 9,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.15 : 14,211.56 = 6,720.31 : x
  2. Step 2: Convert to fraction form
    10,301.15/14,211.56 = 6,720.31/x
  3. Step 3: Cross multiply
    10,301.15x = 14,211.56 × 6,720.31
  4. Step 4: Simplify right side
    10,301.15x = 95,506,088.78
  5. Step 5: Solve for x
    x = 95,506,088.78/10,301.15
  6. Step 6: Final answer
    x = 9,271.41

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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.