Home / 21,430.49-32,153.45-9,583.25

Finding the Fourth Proportional to 21,430.49, 32,153.45 and 9,583.25

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Solution

The fourth proportional to 21,430.49, 32,153.45 and 9,583.25 is: 14,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,430.49 : 32,153.45 = 9,583.25 : x
  2. Step 2: Convert to fraction form
    21,430.49/32,153.45 = 9,583.25/x
  3. Step 3: Cross multiply
    21,430.49x = 32,153.45 × 9,583.25
  4. Step 4: Simplify right side
    21,430.49x = 308,134,341.03
  5. Step 5: Solve for x
    x = 308,134,341.03/21,430.49
  6. Step 6: Final answer
    x = 14,378.32

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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.