Home / 13,465.19-18,575.58-9,488.49

Finding the Fourth Proportional to 13,465.19, 18,575.58 and 9,488.49

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Solution

The fourth proportional to 13,465.19, 18,575.58 and 9,488.49 is: 13,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.19 : 18,575.58 = 9,488.49 : x
  2. Step 2: Convert to fraction form
    13,465.19/18,575.58 = 9,488.49/x
  3. Step 3: Cross multiply
    13,465.19x = 18,575.58 × 9,488.49
  4. Step 4: Simplify right side
    13,465.19x = 176,254,205.07
  5. Step 5: Solve for x
    x = 176,254,205.07/13,465.19
  6. Step 6: Final answer
    x = 13,089.62

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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.