Home / 14,020.68-21,030.84-6,130.92

Finding the Fourth Proportional to 14,020.68, 21,030.84 and 6,130.92

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Solution

The fourth proportional to 14,020.68, 21,030.84 and 6,130.92 is: 9,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.68 : 21,030.84 = 6,130.92 : x
  2. Step 2: Convert to fraction form
    14,020.68/21,030.84 = 6,130.92/x
  3. Step 3: Cross multiply
    14,020.68x = 21,030.84 × 6,130.92
  4. Step 4: Simplify right side
    14,020.68x = 128,938,397.57
  5. Step 5: Solve for x
    x = 128,938,397.57/14,020.68
  6. Step 6: Final answer
    x = 9,196.30

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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.