Home / 19,628.36-29,438.37-6,477.60

Finding the Fourth Proportional to 19,628.36, 29,438.37 and 6,477.60

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Solution

The fourth proportional to 19,628.36, 29,438.37 and 6,477.60 is: 9,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.36 : 29,438.37 = 6,477.60 : x
  2. Step 2: Convert to fraction form
    19,628.36/29,438.37 = 6,477.60/x
  3. Step 3: Cross multiply
    19,628.36x = 29,438.37 × 6,477.60
  4. Step 4: Simplify right side
    19,628.36x = 190,689,985.51
  5. Step 5: Solve for x
    x = 190,689,985.51/19,628.36
  6. Step 6: Final answer
    x = 9,715.03

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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.