Home / 14,004.08-19,312.65-10,221.25

Finding the Fourth Proportional to 14,004.08, 19,312.65 and 10,221.25

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Solution

The fourth proportional to 14,004.08, 19,312.65 and 10,221.25 is: 14,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.08 : 19,312.65 = 10,221.25 : x
  2. Step 2: Convert to fraction form
    14,004.08/19,312.65 = 10,221.25/x
  3. Step 3: Cross multiply
    14,004.08x = 19,312.65 × 10,221.25
  4. Step 4: Simplify right side
    14,004.08x = 197,399,423.81
  5. Step 5: Solve for x
    x = 197,399,423.81/14,004.08
  6. Step 6: Final answer
    x = 14,095.85

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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.