Home / 13,567.10-18,723.29-7,598.39

Finding the Fourth Proportional to 13,567.10, 18,723.29 and 7,598.39

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Solution

The fourth proportional to 13,567.10, 18,723.29 and 7,598.39 is: 10,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.10 : 18,723.29 = 7,598.39 : x
  2. Step 2: Convert to fraction form
    13,567.10/18,723.29 = 7,598.39/x
  3. Step 3: Cross multiply
    13,567.10x = 18,723.29 × 7,598.39
  4. Step 4: Simplify right side
    13,567.10x = 142,266,727.89
  5. Step 5: Solve for x
    x = 142,266,727.89/13,567.10
  6. Step 6: Final answer
    x = 10,486.16

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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.