Home / 13,774.02-20,666.88-7,526.74

Finding the Fourth Proportional to 13,774.02, 20,666.88 and 7,526.74

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Solution

The fourth proportional to 13,774.02, 20,666.88 and 7,526.74 is: 11,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.02 : 20,666.88 = 7,526.74 : x
  2. Step 2: Convert to fraction form
    13,774.02/20,666.88 = 7,526.74/x
  3. Step 3: Cross multiply
    13,774.02x = 20,666.88 × 7,526.74
  4. Step 4: Simplify right side
    13,774.02x = 155,554,232.37
  5. Step 5: Solve for x
    x = 155,554,232.37/13,774.02
  6. Step 6: Final answer
    x = 11,293.31

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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.