Home / 13,030.77-19,544.90-3,670.63

Finding the Fourth Proportional to 13,030.77, 19,544.90 and 3,670.63

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Solution

The fourth proportional to 13,030.77, 19,544.90 and 3,670.63 is: 5,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.77 : 19,544.90 = 3,670.63 : x
  2. Step 2: Convert to fraction form
    13,030.77/19,544.90 = 3,670.63/x
  3. Step 3: Cross multiply
    13,030.77x = 19,544.90 × 3,670.63
  4. Step 4: Simplify right side
    13,030.77x = 71,742,139.01
  5. Step 5: Solve for x
    x = 71,742,139.01/13,030.77
  6. Step 6: Final answer
    x = 5,505.60

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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.