Home / 10,686.09-16,031.70-4,841.40

Finding the Fourth Proportional to 10,686.09, 16,031.70 and 4,841.40

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Solution

The fourth proportional to 10,686.09, 16,031.70 and 4,841.40 is: 7,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.09 : 16,031.70 = 4,841.40 : x
  2. Step 2: Convert to fraction form
    10,686.09/16,031.70 = 4,841.40/x
  3. Step 3: Cross multiply
    10,686.09x = 16,031.70 × 4,841.40
  4. Step 4: Simplify right side
    10,686.09x = 77,615,872.38
  5. Step 5: Solve for x
    x = 77,615,872.38/10,686.09
  6. Step 6: Final answer
    x = 7,263.26

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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.