Home / 19,970.39-29,950.45-5,927.09

Finding the Fourth Proportional to 19,970.39, 29,950.45 and 5,927.09

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Solution

The fourth proportional to 19,970.39, 29,950.45 and 5,927.09 is: 8,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.39 : 29,950.45 = 5,927.09 : x
  2. Step 2: Convert to fraction form
    19,970.39/29,950.45 = 5,927.09/x
  3. Step 3: Cross multiply
    19,970.39x = 29,950.45 × 5,927.09
  4. Step 4: Simplify right side
    19,970.39x = 177,518,848.12
  5. Step 5: Solve for x
    x = 177,518,848.12/19,970.39
  6. Step 6: Final answer
    x = 8,889.10

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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.