Home / 19,477.02-26,868.90-12,759.69

Finding the Fourth Proportional to 19,477.02, 26,868.90 and 12,759.69

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Solution

The fourth proportional to 19,477.02, 26,868.90 and 12,759.69 is: 17,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.02 : 26,868.90 = 12,759.69 : x
  2. Step 2: Convert to fraction form
    19,477.02/26,868.90 = 12,759.69/x
  3. Step 3: Cross multiply
    19,477.02x = 26,868.90 × 12,759.69
  4. Step 4: Simplify right side
    19,477.02x = 342,838,911.47
  5. Step 5: Solve for x
    x = 342,838,911.47/19,477.02
  6. Step 6: Final answer
    x = 17,602.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.