Home / 11,055.40-16,563.90-10,364.20

Finding the Fourth Proportional to 11,055.40, 16,563.90 and 10,364.20

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Solution

The fourth proportional to 11,055.40, 16,563.90 and 10,364.20 is: 15,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.40 : 16,563.90 = 10,364.20 : x
  2. Step 2: Convert to fraction form
    11,055.40/16,563.90 = 10,364.20/x
  3. Step 3: Cross multiply
    11,055.40x = 16,563.90 × 10,364.20
  4. Step 4: Simplify right side
    11,055.40x = 171,671,572.38
  5. Step 5: Solve for x
    x = 171,671,572.38/11,055.40
  6. Step 6: Final answer
    x = 15,528.30

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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.