Home / 15,590.16-23,417.64-12,784.32

Finding the Fourth Proportional to 15,590.16, 23,417.64 and 12,784.32

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Solution

The fourth proportional to 15,590.16, 23,417.64 and 12,784.32 is: 19,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.16 : 23,417.64 = 12,784.32 : x
  2. Step 2: Convert to fraction form
    15,590.16/23,417.64 = 12,784.32/x
  3. Step 3: Cross multiply
    15,590.16x = 23,417.64 × 12,784.32
  4. Step 4: Simplify right side
    15,590.16x = 299,378,603.40
  5. Step 5: Solve for x
    x = 299,378,603.40/15,590.16
  6. Step 6: Final answer
    x = 19,203.05

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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.