Home / 14,290.48-21,438.96-4,430.08

Finding the Fourth Proportional to 14,290.48, 21,438.96 and 4,430.08

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Solution

The fourth proportional to 14,290.48, 21,438.96 and 4,430.08 is: 6,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.48 : 21,438.96 = 4,430.08 : x
  2. Step 2: Convert to fraction form
    14,290.48/21,438.96 = 4,430.08/x
  3. Step 3: Cross multiply
    14,290.48x = 21,438.96 × 4,430.08
  4. Step 4: Simplify right side
    14,290.48x = 94,976,307.92
  5. Step 5: Solve for x
    x = 94,976,307.92/14,290.48
  6. Step 6: Final answer
    x = 6,646.12

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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.