Home / 15,645.30-23,409.63-15,470.34

Finding the Fourth Proportional to 15,645.30, 23,409.63 and 15,470.34

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Solution

The fourth proportional to 15,645.30, 23,409.63 and 15,470.34 is: 23,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.30 : 23,409.63 = 15,470.34 : x
  2. Step 2: Convert to fraction form
    15,645.30/23,409.63 = 15,470.34/x
  3. Step 3: Cross multiply
    15,645.30x = 23,409.63 × 15,470.34
  4. Step 4: Simplify right side
    15,645.30x = 362,154,935.37
  5. Step 5: Solve for x
    x = 362,154,935.37/15,645.30
  6. Step 6: Final answer
    x = 23,147.84

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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.