Home / 15,087.53-20,818.66-9,036.35

Finding the Fourth Proportional to 15,087.53, 20,818.66 and 9,036.35

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Solution

The fourth proportional to 15,087.53, 20,818.66 and 9,036.35 is: 12,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087.53 : 20,818.66 = 9,036.35 : x
  2. Step 2: Convert to fraction form
    15,087.53/20,818.66 = 9,036.35/x
  3. Step 3: Cross multiply
    15,087.53x = 20,818.66 × 9,036.35
  4. Step 4: Simplify right side
    15,087.53x = 188,124,802.84
  5. Step 5: Solve for x
    x = 188,124,802.84/15,087.53
  6. Step 6: Final answer
    x = 12,468.89

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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.