Home / 13,307.42-19,967.18-4,988.07

Finding the Fourth Proportional to 13,307.42, 19,967.18 and 4,988.07

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Solution

The fourth proportional to 13,307.42, 19,967.18 and 4,988.07 is: 7,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.42 : 19,967.18 = 4,988.07 : x
  2. Step 2: Convert to fraction form
    13,307.42/19,967.18 = 4,988.07/x
  3. Step 3: Cross multiply
    13,307.42x = 19,967.18 × 4,988.07
  4. Step 4: Simplify right side
    13,307.42x = 99,597,666.60
  5. Step 5: Solve for x
    x = 99,597,666.60/13,307.42
  6. Step 6: Final answer
    x = 7,484.37

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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.