Home / 15,406.04-21,260.64-9,037.50

Finding the Fourth Proportional to 15,406.04, 21,260.64 and 9,037.50

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Solution

The fourth proportional to 15,406.04, 21,260.64 and 9,037.50 is: 12,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.04 : 21,260.64 = 9,037.50 : x
  2. Step 2: Convert to fraction form
    15,406.04/21,260.64 = 9,037.50/x
  3. Step 3: Cross multiply
    15,406.04x = 21,260.64 × 9,037.50
  4. Step 4: Simplify right side
    15,406.04x = 192,143,034
  5. Step 5: Solve for x
    x = 192,143,034/15,406.04
  6. Step 6: Final answer
    x = 12,471.93

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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.