Home / 15,688.40-23,477.04-11,518.52

Finding the Fourth Proportional to 15,688.40, 23,477.04 and 11,518.52

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Solution

The fourth proportional to 15,688.40, 23,477.04 and 11,518.52 is: 17,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688.40 : 23,477.04 = 11,518.52 : x
  2. Step 2: Convert to fraction form
    15,688.40/23,477.04 = 11,518.52/x
  3. Step 3: Cross multiply
    15,688.40x = 23,477.04 × 11,518.52
  4. Step 4: Simplify right side
    15,688.40x = 270,420,754.78
  5. Step 5: Solve for x
    x = 270,420,754.78/15,688.40
  6. Step 6: Final answer
    x = 17,236.99

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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.