Home / 15,459.64-23,153.40-11,289.32

Finding the Fourth Proportional to 15,459.64, 23,153.40 and 11,289.32

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Solution

The fourth proportional to 15,459.64, 23,153.40 and 11,289.32 is: 16,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.64 : 23,153.40 = 11,289.32 : x
  2. Step 2: Convert to fraction form
    15,459.64/23,153.40 = 11,289.32/x
  3. Step 3: Cross multiply
    15,459.64x = 23,153.40 × 11,289.32
  4. Step 4: Simplify right side
    15,459.64x = 261,386,141.69
  5. Step 5: Solve for x
    x = 261,386,141.69/15,459.64
  6. Step 6: Final answer
    x = 16,907.65

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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.