Home / 13,465.52-18,579.59-7,799.93

Finding the Fourth Proportional to 13,465.52, 18,579.59 and 7,799.93

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Solution

The fourth proportional to 13,465.52, 18,579.59 and 7,799.93 is: 10,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.52 : 18,579.59 = 7,799.93 : x
  2. Step 2: Convert to fraction form
    13,465.52/18,579.59 = 7,799.93/x
  3. Step 3: Cross multiply
    13,465.52x = 18,579.59 × 7,799.93
  4. Step 4: Simplify right side
    13,465.52x = 144,919,369.53
  5. Step 5: Solve for x
    x = 144,919,369.53/13,465.52
  6. Step 6: Final answer
    x = 10,762.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.