Home / 15,436.16-21,300.96-9,467.84

Finding the Fourth Proportional to 15,436.16, 21,300.96 and 9,467.84

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Solution

The fourth proportional to 15,436.16, 21,300.96 and 9,467.84 is: 13,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.16 : 21,300.96 = 9,467.84 : x
  2. Step 2: Convert to fraction form
    15,436.16/21,300.96 = 9,467.84/x
  3. Step 3: Cross multiply
    15,436.16x = 21,300.96 × 9,467.84
  4. Step 4: Simplify right side
    15,436.16x = 201,674,081.13
  5. Step 5: Solve for x
    x = 201,674,081.13/15,436.16
  6. Step 6: Final answer
    x = 13,065.04

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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.