Home / 19,154.88-28,709.06-10,248.30

Finding the Fourth Proportional to 19,154.88, 28,709.06 and 10,248.30

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Solution

The fourth proportional to 19,154.88, 28,709.06 and 10,248.30 is: 15,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.88 : 28,709.06 = 10,248.30 : x
  2. Step 2: Convert to fraction form
    19,154.88/28,709.06 = 10,248.30/x
  3. Step 3: Cross multiply
    19,154.88x = 28,709.06 × 10,248.30
  4. Step 4: Simplify right side
    19,154.88x = 294,219,008.36
  5. Step 5: Solve for x
    x = 294,219,008.36/19,154.88
  6. Step 6: Final answer
    x = 15,360.00

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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.