Home / 19,690.14-29,538.15-7,038.93

Finding the Fourth Proportional to 19,690.14, 29,538.15 and 7,038.93

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Solution

The fourth proportional to 19,690.14, 29,538.15 and 7,038.93 is: 10,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.14 : 29,538.15 = 7,038.93 : x
  2. Step 2: Convert to fraction form
    19,690.14/29,538.15 = 7,038.93/x
  3. Step 3: Cross multiply
    19,690.14x = 29,538.15 × 7,038.93
  4. Step 4: Simplify right side
    19,690.14x = 207,916,970.18
  5. Step 5: Solve for x
    x = 207,916,970.18/19,690.14
  6. Step 6: Final answer
    x = 10,559.45

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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.