Home / 15,988.97-23,979.81-4,303.10

Finding the Fourth Proportional to 15,988.97, 23,979.81 and 4,303.10

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Solution

The fourth proportional to 15,988.97, 23,979.81 and 4,303.10 is: 6,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.97 : 23,979.81 = 4,303.10 : x
  2. Step 2: Convert to fraction form
    15,988.97/23,979.81 = 4,303.10/x
  3. Step 3: Cross multiply
    15,988.97x = 23,979.81 × 4,303.10
  4. Step 4: Simplify right side
    15,988.97x = 103,187,520.41
  5. Step 5: Solve for x
    x = 103,187,520.41/15,988.97
  6. Step 6: Final answer
    x = 6,453.67

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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.