Home / 13,277.02-18,320.14-7,610.73

Finding the Fourth Proportional to 13,277.02, 18,320.14 and 7,610.73

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Solution

The fourth proportional to 13,277.02, 18,320.14 and 7,610.73 is: 10,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.02 : 18,320.14 = 7,610.73 : x
  2. Step 2: Convert to fraction form
    13,277.02/18,320.14 = 7,610.73/x
  3. Step 3: Cross multiply
    13,277.02x = 18,320.14 × 7,610.73
  4. Step 4: Simplify right side
    13,277.02x = 139,429,547.50
  5. Step 5: Solve for x
    x = 139,429,547.50/13,277.02
  6. Step 6: Final answer
    x = 10,501.57

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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.