Home / 12,359.04-18,526.08-5,427.84

Finding the Fourth Proportional to 12,359.04, 18,526.08 and 5,427.84

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Solution

The fourth proportional to 12,359.04, 18,526.08 and 5,427.84 is: 8,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.04 : 18,526.08 = 5,427.84 : x
  2. Step 2: Convert to fraction form
    12,359.04/18,526.08 = 5,427.84/x
  3. Step 3: Cross multiply
    12,359.04x = 18,526.08 × 5,427.84
  4. Step 4: Simplify right side
    12,359.04x = 100,556,598.07
  5. Step 5: Solve for x
    x = 100,556,598.07/12,359.04
  6. Step 6: Final answer
    x = 8,136.28

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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.