Home / 14,155.24-19,528.48-8,490.24

Finding the Fourth Proportional to 14,155.24, 19,528.48 and 8,490.24

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Solution

The fourth proportional to 14,155.24, 19,528.48 and 8,490.24 is: 11,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.24 : 19,528.48 = 8,490.24 : x
  2. Step 2: Convert to fraction form
    14,155.24/19,528.48 = 8,490.24/x
  3. Step 3: Cross multiply
    14,155.24x = 19,528.48 × 8,490.24
  4. Step 4: Simplify right side
    14,155.24x = 165,801,482.04
  5. Step 5: Solve for x
    x = 165,801,482.04/14,155.24
  6. Step 6: Final answer
    x = 11,713.08

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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.