Home / 19,686.34-29,528.70-4,895.02

Finding the Fourth Proportional to 19,686.34, 29,528.70 and 4,895.02

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Solution

The fourth proportional to 19,686.34, 29,528.70 and 4,895.02 is: 7,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.34 : 29,528.70 = 4,895.02 : x
  2. Step 2: Convert to fraction form
    19,686.34/29,528.70 = 4,895.02/x
  3. Step 3: Cross multiply
    19,686.34x = 29,528.70 × 4,895.02
  4. Step 4: Simplify right side
    19,686.34x = 144,543,577.07
  5. Step 5: Solve for x
    x = 144,543,577.07/19,686.34
  6. Step 6: Final answer
    x = 7,342.33

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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.