Home / 17,622.02-26,430.28-5,140.74

Finding the Fourth Proportional to 17,622.02, 26,430.28 and 5,140.74

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Solution

The fourth proportional to 17,622.02, 26,430.28 and 5,140.74 is: 7,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,622.02 : 26,430.28 = 5,140.74 : x
  2. Step 2: Convert to fraction form
    17,622.02/26,430.28 = 5,140.74/x
  3. Step 3: Cross multiply
    17,622.02x = 26,430.28 × 5,140.74
  4. Step 4: Simplify right side
    17,622.02x = 135,871,104.92
  5. Step 5: Solve for x
    x = 135,871,104.92/17,622.02
  6. Step 6: Final answer
    x = 7,710.30

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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.