Home / 10,302.08-14,216.87-5,586.36

Finding the Fourth Proportional to 10,302.08, 14,216.87 and 5,586.36

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Solution

The fourth proportional to 10,302.08, 14,216.87 and 5,586.36 is: 7,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.08 : 14,216.87 = 5,586.36 : x
  2. Step 2: Convert to fraction form
    10,302.08/14,216.87 = 5,586.36/x
  3. Step 3: Cross multiply
    10,302.08x = 14,216.87 × 5,586.36
  4. Step 4: Simplify right side
    10,302.08x = 79,420,482.81
  5. Step 5: Solve for x
    x = 79,420,482.81/10,302.08
  6. Step 6: Final answer
    x = 7,709.17

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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.