Home / 19,574.51-29,355.59-6,423.82

Finding the Fourth Proportional to 19,574.51, 29,355.59 and 6,423.82

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Solution

The fourth proportional to 19,574.51, 29,355.59 and 6,423.82 is: 9,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.51 : 29,355.59 = 6,423.82 : x
  2. Step 2: Convert to fraction form
    19,574.51/29,355.59 = 6,423.82/x
  3. Step 3: Cross multiply
    19,574.51x = 29,355.59 × 6,423.82
  4. Step 4: Simplify right side
    19,574.51x = 188,574,968.82
  5. Step 5: Solve for x
    x = 188,574,968.82/19,574.51
  6. Step 6: Final answer
    x = 9,633.70

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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.