Home / 15,428.71-23,139.45-4,336.46

Finding the Fourth Proportional to 15,428.71, 23,139.45 and 4,336.46

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Solution

The fourth proportional to 15,428.71, 23,139.45 and 4,336.46 is: 6,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.71 : 23,139.45 = 4,336.46 : x
  2. Step 2: Convert to fraction form
    15,428.71/23,139.45 = 4,336.46/x
  3. Step 3: Cross multiply
    15,428.71x = 23,139.45 × 4,336.46
  4. Step 4: Simplify right side
    15,428.71x = 100,343,299.35
  5. Step 5: Solve for x
    x = 100,343,299.35/15,428.71
  6. Step 6: Final answer
    x = 6,503.67

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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.