Home / 10,342.14-15,510.86-2,946.44

Finding the Fourth Proportional to 10,342.14, 15,510.86 and 2,946.44

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Solution

The fourth proportional to 10,342.14, 15,510.86 and 2,946.44 is: 4,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.14 : 15,510.86 = 2,946.44 : x
  2. Step 2: Convert to fraction form
    10,342.14/15,510.86 = 2,946.44/x
  3. Step 3: Cross multiply
    10,342.14x = 15,510.86 × 2,946.44
  4. Step 4: Simplify right side
    10,342.14x = 45,701,818.34
  5. Step 5: Solve for x
    x = 45,701,818.34/10,342.14
  6. Step 6: Final answer
    x = 4,418.99

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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.