Home / 15,897.28-23,846.38-4,210.50

Finding the Fourth Proportional to 15,897.28, 23,846.38 and 4,210.50

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Solution

The fourth proportional to 15,897.28, 23,846.38 and 4,210.50 is: 6,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.28 : 23,846.38 = 4,210.50 : x
  2. Step 2: Convert to fraction form
    15,897.28/23,846.38 = 4,210.50/x
  3. Step 3: Cross multiply
    15,897.28x = 23,846.38 × 4,210.50
  4. Step 4: Simplify right side
    15,897.28x = 100,405,172.46
  5. Step 5: Solve for x
    x = 100,405,172.46/15,897.28
  6. Step 6: Final answer
    x = 6,315.87

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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.