Home / 25,307.64-37,953.36-11,978.82

Finding the Fourth Proportional to 25,307.64, 37,953.36 and 11,978.82

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Solution

The fourth proportional to 25,307.64, 37,953.36 and 11,978.82 is: 17,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.64 : 37,953.36 = 11,978.82 : x
  2. Step 2: Convert to fraction form
    25,307.64/37,953.36 = 11,978.82/x
  3. Step 3: Cross multiply
    25,307.64x = 37,953.36 × 11,978.82
  4. Step 4: Simplify right side
    25,307.64x = 454,636,467.84
  5. Step 5: Solve for x
    x = 454,636,467.84/25,307.64
  6. Step 6: Final answer
    x = 17,964.40

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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.