Home / 13,225.79-19,838.60-3,364.98

Finding the Fourth Proportional to 13,225.79, 19,838.60 and 3,364.98

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Solution

The fourth proportional to 13,225.79, 19,838.60 and 3,364.98 is: 5,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.79 : 19,838.60 = 3,364.98 : x
  2. Step 2: Convert to fraction form
    13,225.79/19,838.60 = 3,364.98/x
  3. Step 3: Cross multiply
    13,225.79x = 19,838.60 × 3,364.98
  4. Step 4: Simplify right side
    13,225.79x = 66,756,475.40
  5. Step 5: Solve for x
    x = 66,756,475.40/13,225.79
  6. Step 6: Final answer
    x = 5,047.45

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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.