Home / 15,483.50-21,284.91-13,322.08

Finding the Fourth Proportional to 15,483.50, 21,284.91 and 13,322.08

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Solution

The fourth proportional to 15,483.50, 21,284.91 and 13,322.08 is: 18,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.50 : 21,284.91 = 13,322.08 : x
  2. Step 2: Convert to fraction form
    15,483.50/21,284.91 = 13,322.08/x
  3. Step 3: Cross multiply
    15,483.50x = 21,284.91 × 13,322.08
  4. Step 4: Simplify right side
    15,483.50x = 283,559,167.39
  5. Step 5: Solve for x
    x = 283,559,167.39/15,483.50
  6. Step 6: Final answer
    x = 18,313.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.