Home / 15,318.40-22,980.67-6,996.18

Finding the Fourth Proportional to 15,318.40, 22,980.67 and 6,996.18

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Solution

The fourth proportional to 15,318.40, 22,980.67 and 6,996.18 is: 10,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.40 : 22,980.67 = 6,996.18 : x
  2. Step 2: Convert to fraction form
    15,318.40/22,980.67 = 6,996.18/x
  3. Step 3: Cross multiply
    15,318.40x = 22,980.67 × 6,996.18
  4. Step 4: Simplify right side
    15,318.40x = 160,776,903.84
  5. Step 5: Solve for x
    x = 160,776,903.84/15,318.40
  6. Step 6: Final answer
    x = 10,495.67

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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.