Home / 15,782.94-23,705.93-9,870.35

Finding the Fourth Proportional to 15,782.94, 23,705.93 and 9,870.35

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Solution

The fourth proportional to 15,782.94, 23,705.93 and 9,870.35 is: 14,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.94 : 23,705.93 = 9,870.35 : x
  2. Step 2: Convert to fraction form
    15,782.94/23,705.93 = 9,870.35/x
  3. Step 3: Cross multiply
    15,782.94x = 23,705.93 × 9,870.35
  4. Step 4: Simplify right side
    15,782.94x = 233,985,658.29
  5. Step 5: Solve for x
    x = 233,985,658.29/15,782.94
  6. Step 6: Final answer
    x = 14,825.23

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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.