Home / 9,919.49-14,871.95-4,729.01

Finding the Fourth Proportional to 9,919.49, 14,871.95 and 4,729.01

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Solution

The fourth proportional to 9,919.49, 14,871.95 and 4,729.01 is: 7,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.49 : 14,871.95 = 4,729.01 : x
  2. Step 2: Convert to fraction form
    9,919.49/14,871.95 = 4,729.01/x
  3. Step 3: Cross multiply
    9,919.49x = 14,871.95 × 4,729.01
  4. Step 4: Simplify right side
    9,919.49x = 70,329,502.26
  5. Step 5: Solve for x
    x = 70,329,502.26/9,919.49
  6. Step 6: Final answer
    x = 7,090.04

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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.