Home / 19,420.95-29,127.07-7,575.01

Finding the Fourth Proportional to 19,420.95, 29,127.07 and 7,575.01

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Solution

The fourth proportional to 19,420.95, 29,127.07 and 7,575.01 is: 11,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.95 : 29,127.07 = 7,575.01 : x
  2. Step 2: Convert to fraction form
    19,420.95/29,127.07 = 7,575.01/x
  3. Step 3: Cross multiply
    19,420.95x = 29,127.07 × 7,575.01
  4. Step 4: Simplify right side
    19,420.95x = 220,637,846.52
  5. Step 5: Solve for x
    x = 220,637,846.52/19,420.95
  6. Step 6: Final answer
    x = 11,360.82

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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.