Home / 21,389.76-32,085.55-6,598.35

Finding the Fourth Proportional to 21,389.76, 32,085.55 and 6,598.35

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Solution

The fourth proportional to 21,389.76, 32,085.55 and 6,598.35 is: 9,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389.76 : 32,085.55 = 6,598.35 : x
  2. Step 2: Convert to fraction form
    21,389.76/32,085.55 = 6,598.35/x
  3. Step 3: Cross multiply
    21,389.76x = 32,085.55 × 6,598.35
  4. Step 4: Simplify right side
    21,389.76x = 211,711,697.09
  5. Step 5: Solve for x
    x = 211,711,697.09/21,389.76
  6. Step 6: Final answer
    x = 9,897.81

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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.