Home / 14,218.64-21,328.01-4,357.94

Finding the Fourth Proportional to 14,218.64, 21,328.01 and 4,357.94

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Solution

The fourth proportional to 14,218.64, 21,328.01 and 4,357.94 is: 6,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.64 : 21,328.01 = 4,357.94 : x
  2. Step 2: Convert to fraction form
    14,218.64/21,328.01 = 4,357.94/x
  3. Step 3: Cross multiply
    14,218.64x = 21,328.01 × 4,357.94
  4. Step 4: Simplify right side
    14,218.64x = 92,946,075.81
  5. Step 5: Solve for x
    x = 92,946,075.81/14,218.64
  6. Step 6: Final answer
    x = 6,536.92

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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.