Home / 15,411.35-23,119.68-4,881.22

Finding the Fourth Proportional to 15,411.35, 23,119.68 and 4,881.22

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Solution

The fourth proportional to 15,411.35, 23,119.68 and 4,881.22 is: 7,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.35 : 23,119.68 = 4,881.22 : x
  2. Step 2: Convert to fraction form
    15,411.35/23,119.68 = 4,881.22/x
  3. Step 3: Cross multiply
    15,411.35x = 23,119.68 × 4,881.22
  4. Step 4: Simplify right side
    15,411.35x = 112,852,244.41
  5. Step 5: Solve for x
    x = 112,852,244.41/15,411.35
  6. Step 6: Final answer
    x = 7,322.67

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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.