Home / 16,313.06-22,478.68-15,430.84

Finding the Fourth Proportional to 16,313.06, 22,478.68 and 15,430.84

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Solution

The fourth proportional to 16,313.06, 22,478.68 and 15,430.84 is: 21,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,313.06 : 22,478.68 = 15,430.84 : x
  2. Step 2: Convert to fraction form
    16,313.06/22,478.68 = 15,430.84/x
  3. Step 3: Cross multiply
    16,313.06x = 22,478.68 × 15,430.84
  4. Step 4: Simplify right side
    16,313.06x = 346,864,877.58
  5. Step 5: Solve for x
    x = 346,864,877.58/16,313.06
  6. Step 6: Final answer
    x = 21,263.01

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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.