Home / 10,389.14-15,587.34-4,546.19

Finding the Fourth Proportional to 10,389.14, 15,587.34 and 4,546.19

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Solution

The fourth proportional to 10,389.14, 15,587.34 and 4,546.19 is: 6,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.14 : 15,587.34 = 4,546.19 : x
  2. Step 2: Convert to fraction form
    10,389.14/15,587.34 = 4,546.19/x
  3. Step 3: Cross multiply
    10,389.14x = 15,587.34 × 4,546.19
  4. Step 4: Simplify right side
    10,389.14x = 70,863,009.23
  5. Step 5: Solve for x
    x = 70,863,009.23/10,389.14
  6. Step 6: Final answer
    x = 6,820.87

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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.