Home / 15,810.06-23,718.70-5,421.18

Finding the Fourth Proportional to 15,810.06, 23,718.70 and 5,421.18

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Solution

The fourth proportional to 15,810.06, 23,718.70 and 5,421.18 is: 8,133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.06 : 23,718.70 = 5,421.18 : x
  2. Step 2: Convert to fraction form
    15,810.06/23,718.70 = 5,421.18/x
  3. Step 3: Cross multiply
    15,810.06x = 23,718.70 × 5,421.18
  4. Step 4: Simplify right side
    15,810.06x = 128,583,342.07
  5. Step 5: Solve for x
    x = 128,583,342.07/15,810.06
  6. Step 6: Final answer
    x = 8,133.01

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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.