Home / 14,056.80-21,085.20-7,058.40

Finding the Fourth Proportional to 14,056.80, 21,085.20 and 7,058.40

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Solution

The fourth proportional to 14,056.80, 21,085.20 and 7,058.40 is: 10,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,056.80 : 21,085.20 = 7,058.40 : x
  2. Step 2: Convert to fraction form
    14,056.80/21,085.20 = 7,058.40/x
  3. Step 3: Cross multiply
    14,056.80x = 21,085.20 × 7,058.40
  4. Step 4: Simplify right side
    14,056.80x = 148,827,775.68
  5. Step 5: Solve for x
    x = 148,827,775.68/14,056.80
  6. Step 6: Final answer
    x = 10,587.60

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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.