Home / 13,038.63-19,559.47-4,722.57

Finding the Fourth Proportional to 13,038.63, 19,559.47 and 4,722.57

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Solution

The fourth proportional to 13,038.63, 19,559.47 and 4,722.57 is: 7,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.63 : 19,559.47 = 4,722.57 : x
  2. Step 2: Convert to fraction form
    13,038.63/19,559.47 = 4,722.57/x
  3. Step 3: Cross multiply
    13,038.63x = 19,559.47 × 4,722.57
  4. Step 4: Simplify right side
    13,038.63x = 92,370,966.24
  5. Step 5: Solve for x
    x = 92,370,966.24/13,038.63
  6. Step 6: Final answer
    x = 7,084.41

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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.