Home / 15,810.02-23,718.45-8,413.40

Finding the Fourth Proportional to 15,810.02, 23,718.45 and 8,413.40

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Solution

The fourth proportional to 15,810.02, 23,718.45 and 8,413.40 is: 12,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.02 : 23,718.45 = 8,413.40 : x
  2. Step 2: Convert to fraction form
    15,810.02/23,718.45 = 8,413.40/x
  3. Step 3: Cross multiply
    15,810.02x = 23,718.45 × 8,413.40
  4. Step 4: Simplify right side
    15,810.02x = 199,552,688.64
  5. Step 5: Solve for x
    x = 199,552,688.64/15,810.02
  6. Step 6: Final answer
    x = 12,621.91

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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.