Home / 14,359.47-19,816.09-7,985.93

Finding the Fourth Proportional to 14,359.47, 19,816.09 and 7,985.93

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Solution

The fourth proportional to 14,359.47, 19,816.09 and 7,985.93 is: 11,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.47 : 19,816.09 = 7,985.93 : x
  2. Step 2: Convert to fraction form
    14,359.47/19,816.09 = 7,985.93/x
  3. Step 3: Cross multiply
    14,359.47x = 19,816.09 × 7,985.93
  4. Step 4: Simplify right side
    14,359.47x = 158,249,907.61
  5. Step 5: Solve for x
    x = 158,249,907.61/14,359.47
  6. Step 6: Final answer
    x = 11,020.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.