Home / 15,503.51-23,258.78-5,642.84

Finding the Fourth Proportional to 15,503.51, 23,258.78 and 5,642.84

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Solution

The fourth proportional to 15,503.51, 23,258.78 and 5,642.84 is: 8,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.51 : 23,258.78 = 5,642.84 : x
  2. Step 2: Convert to fraction form
    15,503.51/23,258.78 = 5,642.84/x
  3. Step 3: Cross multiply
    15,503.51x = 23,258.78 × 5,642.84
  4. Step 4: Simplify right side
    15,503.51x = 131,245,574.14
  5. Step 5: Solve for x
    x = 131,245,574.14/15,503.51
  6. Step 6: Final answer
    x = 8,465.54

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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.