Home / 13,080.60-19,592.10-5,285.40

Finding the Fourth Proportional to 13,080.60, 19,592.10 and 5,285.40

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Solution

The fourth proportional to 13,080.60, 19,592.10 and 5,285.40 is: 7,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.60 : 19,592.10 = 5,285.40 : x
  2. Step 2: Convert to fraction form
    13,080.60/19,592.10 = 5,285.40/x
  3. Step 3: Cross multiply
    13,080.60x = 19,592.10 × 5,285.40
  4. Step 4: Simplify right side
    13,080.60x = 103,552,085.34
  5. Step 5: Solve for x
    x = 103,552,085.34/13,080.60
  6. Step 6: Final answer
    x = 7,916.46

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1.5x scale

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.