Home / 14,705.56-20,294.58-8,417.80

Finding the Fourth Proportional to 14,705.56, 20,294.58 and 8,417.80

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Solution

The fourth proportional to 14,705.56, 20,294.58 and 8,417.80 is: 11,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.56 : 20,294.58 = 8,417.80 : x
  2. Step 2: Convert to fraction form
    14,705.56/20,294.58 = 8,417.80/x
  3. Step 3: Cross multiply
    14,705.56x = 20,294.58 × 8,417.80
  4. Step 4: Simplify right side
    14,705.56x = 170,835,715.52
  5. Step 5: Solve for x
    x = 170,835,715.52/14,705.56
  6. Step 6: Final answer
    x = 11,617.08

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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.