Home / 14,369.40-21,570.30-8,529.30

Finding the Fourth Proportional to 14,369.40, 21,570.30 and 8,529.30

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Solution

The fourth proportional to 14,369.40, 21,570.30 and 8,529.30 is: 12,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369.40 : 21,570.30 = 8,529.30 : x
  2. Step 2: Convert to fraction form
    14,369.40/21,570.30 = 8,529.30/x
  3. Step 3: Cross multiply
    14,369.40x = 21,570.30 × 8,529.30
  4. Step 4: Simplify right side
    14,369.40x = 183,979,559.79
  5. Step 5: Solve for x
    x = 183,979,559.79/14,369.40
  6. Step 6: Final answer
    x = 12,803.57

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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.