Home / 15,770.45-21,762.37-9,802.01

Finding the Fourth Proportional to 15,770.45, 21,762.37 and 9,802.01

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Solution

The fourth proportional to 15,770.45, 21,762.37 and 9,802.01 is: 13,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.45 : 21,762.37 = 9,802.01 : x
  2. Step 2: Convert to fraction form
    15,770.45/21,762.37 = 9,802.01/x
  3. Step 3: Cross multiply
    15,770.45x = 21,762.37 × 9,802.01
  4. Step 4: Simplify right side
    15,770.45x = 213,315,035.02
  5. Step 5: Solve for x
    x = 213,315,035.02/15,770.45
  6. Step 6: Final answer
    x = 13,526.25

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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.