Home / 17,790.99-26,690.30-5,312.00

Finding the Fourth Proportional to 17,790.99, 26,690.30 and 5,312.00

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Solution

The fourth proportional to 17,790.99, 26,690.30 and 5,312.00 is: 7,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.99 : 26,690.30 = 5,312.00 : x
  2. Step 2: Convert to fraction form
    17,790.99/26,690.30 = 5,312.00/x
  3. Step 3: Cross multiply
    17,790.99x = 26,690.30 × 5,312.00
  4. Step 4: Simplify right side
    17,790.99x = 141,778,713.59
  5. Step 5: Solve for x
    x = 141,778,713.59/17,790.99
  6. Step 6: Final answer
    x = 7,969.13

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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.