Home / 14,288.04-19,715.70-8,623.08

Finding the Fourth Proportional to 14,288.04, 19,715.70 and 8,623.08

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Solution

The fourth proportional to 14,288.04, 19,715.70 and 8,623.08 is: 11,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.04 : 19,715.70 = 8,623.08 : x
  2. Step 2: Convert to fraction form
    14,288.04/19,715.70 = 8,623.08/x
  3. Step 3: Cross multiply
    14,288.04x = 19,715.70 × 8,623.08
  4. Step 4: Simplify right side
    14,288.04x = 170,010,058.36
  5. Step 5: Solve for x
    x = 170,010,058.36/14,288.04
  6. Step 6: Final answer
    x = 11,898.77

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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.