Home / 17,389.04-23,980.32-11,425.76

Finding the Fourth Proportional to 17,389.04, 23,980.32 and 11,425.76

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Solution

The fourth proportional to 17,389.04, 23,980.32 and 11,425.76 is: 15,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.04 : 23,980.32 = 11,425.76 : x
  2. Step 2: Convert to fraction form
    17,389.04/23,980.32 = 11,425.76/x
  3. Step 3: Cross multiply
    17,389.04x = 23,980.32 × 11,425.76
  4. Step 4: Simplify right side
    17,389.04x = 273,993,381.04
  5. Step 5: Solve for x
    x = 273,993,381.04/17,389.04
  6. Step 6: Final answer
    x = 15,756.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.