Home / 9,985.48-14,973.45-3,409.90

Finding the Fourth Proportional to 9,985.48, 14,973.45 and 3,409.90

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Solution

The fourth proportional to 9,985.48, 14,973.45 and 3,409.90 is: 5,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.48 : 14,973.45 = 3,409.90 : x
  2. Step 2: Convert to fraction form
    9,985.48/14,973.45 = 3,409.90/x
  3. Step 3: Cross multiply
    9,985.48x = 14,973.45 × 3,409.90
  4. Step 4: Simplify right side
    9,985.48x = 51,057,967.16
  5. Step 5: Solve for x
    x = 51,057,967.16/9,985.48
  6. Step 6: Final answer
    x = 5,113.22

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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.