Home / 9,977.47-14,969.75-4,430.32

Finding the Fourth Proportional to 9,977.47, 14,969.75 and 4,430.32

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Solution

The fourth proportional to 9,977.47, 14,969.75 and 4,430.32 is: 6,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.47 : 14,969.75 = 4,430.32 : x
  2. Step 2: Convert to fraction form
    9,977.47/14,969.75 = 4,430.32/x
  3. Step 3: Cross multiply
    9,977.47x = 14,969.75 × 4,430.32
  4. Step 4: Simplify right side
    9,977.47x = 66,320,723.24
  5. Step 5: Solve for x
    x = 66,320,723.24/9,977.47
  6. Step 6: Final answer
    x = 6,647.05

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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.