Home / 19,384.79-26,752.53-10,887.48

Finding the Fourth Proportional to 19,384.79, 26,752.53 and 10,887.48

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Solution

The fourth proportional to 19,384.79, 26,752.53 and 10,887.48 is: 15,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.79 : 26,752.53 = 10,887.48 : x
  2. Step 2: Convert to fraction form
    19,384.79/26,752.53 = 10,887.48/x
  3. Step 3: Cross multiply
    19,384.79x = 26,752.53 × 10,887.48
  4. Step 4: Simplify right side
    19,384.79x = 291,267,635.32
  5. Step 5: Solve for x
    x = 291,267,635.32/19,384.79
  6. Step 6: Final answer
    x = 15,025.58

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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.