Home / 10,722.63-16,085.06-2,931.45

Finding the Fourth Proportional to 10,722.63, 16,085.06 and 2,931.45

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Solution

The fourth proportional to 10,722.63, 16,085.06 and 2,931.45 is: 4,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.63 : 16,085.06 = 2,931.45 : x
  2. Step 2: Convert to fraction form
    10,722.63/16,085.06 = 2,931.45/x
  3. Step 3: Cross multiply
    10,722.63x = 16,085.06 × 2,931.45
  4. Step 4: Simplify right side
    10,722.63x = 47,152,549.14
  5. Step 5: Solve for x
    x = 47,152,549.14/10,722.63
  6. Step 6: Final answer
    x = 4,397.48

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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.