Home / 13,275.61-19,916.88-4,955.70

Finding the Fourth Proportional to 13,275.61, 19,916.88 and 4,955.70

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Solution

The fourth proportional to 13,275.61, 19,916.88 and 4,955.70 is: 7,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.61 : 19,916.88 = 4,955.70 : x
  2. Step 2: Convert to fraction form
    13,275.61/19,916.88 = 4,955.70/x
  3. Step 3: Cross multiply
    13,275.61x = 19,916.88 × 4,955.70
  4. Step 4: Simplify right side
    13,275.61x = 98,702,082.22
  5. Step 5: Solve for x
    x = 98,702,082.22/13,275.61
  6. Step 6: Final answer
    x = 7,434.84

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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.