Home / 14,030.80-21,055.30-7,461.60

Finding the Fourth Proportional to 14,030.80, 21,055.30 and 7,461.60

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Solution

The fourth proportional to 14,030.80, 21,055.30 and 7,461.60 is: 11,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.80 : 21,055.30 = 7,461.60 : x
  2. Step 2: Convert to fraction form
    14,030.80/21,055.30 = 7,461.60/x
  3. Step 3: Cross multiply
    14,030.80x = 21,055.30 × 7,461.60
  4. Step 4: Simplify right side
    14,030.80x = 157,106,128.87
  5. Step 5: Solve for x
    x = 157,106,128.87/14,030.80
  6. Step 6: Final answer
    x = 11,197.23

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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.