Home / 14,570.60-21,872.10-9,030.20

Finding the Fourth Proportional to 14,570.60, 21,872.10 and 9,030.20

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Solution

The fourth proportional to 14,570.60, 21,872.10 and 9,030.20 is: 13,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.60 : 21,872.10 = 9,030.20 : x
  2. Step 2: Convert to fraction form
    14,570.60/21,872.10 = 9,030.20/x
  3. Step 3: Cross multiply
    14,570.60x = 21,872.10 × 9,030.20
  4. Step 4: Simplify right side
    14,570.60x = 197,509,437.42
  5. Step 5: Solve for x
    x = 197,509,437.42/14,570.60
  6. Step 6: Final answer
    x = 13,555.34

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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.