Home / 19,509.02-29,264.75-7,820.72

Finding the Fourth Proportional to 19,509.02, 29,264.75 and 7,820.72

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Solution

The fourth proportional to 19,509.02, 29,264.75 and 7,820.72 is: 11,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.02 : 29,264.75 = 7,820.72 : x
  2. Step 2: Convert to fraction form
    19,509.02/29,264.75 = 7,820.72/x
  3. Step 3: Cross multiply
    19,509.02x = 29,264.75 × 7,820.72
  4. Step 4: Simplify right side
    19,509.02x = 228,871,230.19
  5. Step 5: Solve for x
    x = 228,871,230.19/19,509.02
  6. Step 6: Final answer
    x = 11,731.56

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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.