Home / 19,557.02-26,981.60-12,846.28

Finding the Fourth Proportional to 19,557.02, 26,981.60 and 12,846.28

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Solution

The fourth proportional to 19,557.02, 26,981.60 and 12,846.28 is: 17,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.02 : 26,981.60 = 12,846.28 : x
  2. Step 2: Convert to fraction form
    19,557.02/26,981.60 = 12,846.28/x
  3. Step 3: Cross multiply
    19,557.02x = 26,981.60 × 12,846.28
  4. Step 4: Simplify right side
    19,557.02x = 346,613,188.45
  5. Step 5: Solve for x
    x = 346,613,188.45/19,557.02
  6. Step 6: Final answer
    x = 17,723.21

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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.